Home / 10,266.10-15,387.18-4,720

Finding the Fourth Proportional to 10,266.10, 15,387.18 and 4,720

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Solution

The fourth proportional to 10,266.10, 15,387.18 and 4,720 is: 7,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.10 : 15,387.18 = 4,720 : x
  2. Step 2: Convert to fraction form
    10,266.10/15,387.18 = 4,720/x
  3. Step 3: Cross multiply
    10,266.10x = 15,387.18 × 4,720
  4. Step 4: Simplify right side
    10,266.10x = 72,627,489.60
  5. Step 5: Solve for x
    x = 72,627,489.60/10,266.10
  6. Step 6: Final answer
    x = 7,074.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.