Home / 9,000.48-12,420.62-5,021.59

Finding the Fourth Proportional to 9,000.48, 12,420.62 and 5,021.59

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Solution

The fourth proportional to 9,000.48, 12,420.62 and 5,021.59 is: 6,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.48 : 12,420.62 = 5,021.59 : x
  2. Step 2: Convert to fraction form
    9,000.48/12,420.62 = 5,021.59/x
  3. Step 3: Cross multiply
    9,000.48x = 12,420.62 × 5,021.59
  4. Step 4: Simplify right side
    9,000.48x = 62,371,173.97
  5. Step 5: Solve for x
    x = 62,371,173.97/9,000.48
  6. Step 6: Final answer
    x = 6,929.76

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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.