Home / 9,000.19-12,420.23-5,021.07

Finding the Fourth Proportional to 9,000.19, 12,420.23 and 5,021.07

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Solution

The fourth proportional to 9,000.19, 12,420.23 and 5,021.07 is: 6,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.19 : 12,420.23 = 5,021.07 : x
  2. Step 2: Convert to fraction form
    9,000.19/12,420.23 = 5,021.07/x
  3. Step 3: Cross multiply
    9,000.19x = 12,420.23 × 5,021.07
  4. Step 4: Simplify right side
    9,000.19x = 62,362,757.04
  5. Step 5: Solve for x
    x = 62,362,757.04/9,000.19
  6. Step 6: Final answer
    x = 6,929.05

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Half scale
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Double scale
Find fourth proportional to 9,001.19, 12,421.60 and 5,022.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.