Home / 9,000.48-12,421.05-5,021.60

Finding the Fourth Proportional to 9,000.48, 12,421.05 and 5,021.60

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Solution

The fourth proportional to 9,000.48, 12,421.05 and 5,021.60 is: 6,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.48 : 12,421.05 = 5,021.60 : x
  2. Step 2: Convert to fraction form
    9,000.48/12,421.05 = 5,021.60/x
  3. Step 3: Cross multiply
    9,000.48x = 12,421.05 × 5,021.60
  4. Step 4: Simplify right side
    9,000.48x = 62,373,482.57
  5. Step 5: Solve for x
    x = 62,373,482.57/9,000.48
  6. Step 6: Final answer
    x = 6,930.02

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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.