Home / 10,612.53-15,929.56-4,376.28

Finding the Fourth Proportional to 10,612.53, 15,929.56 and 4,376.28

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Solution

The fourth proportional to 10,612.53, 15,929.56 and 4,376.28 is: 6,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.53 : 15,929.56 = 4,376.28 : x
  2. Step 2: Convert to fraction form
    10,612.53/15,929.56 = 4,376.28/x
  3. Step 3: Cross multiply
    10,612.53x = 15,929.56 × 4,376.28
  4. Step 4: Simplify right side
    10,612.53x = 69,712,190.44
  5. Step 5: Solve for x
    x = 69,712,190.44/10,612.53
  6. Step 6: Final answer
    x = 6,568.86

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1.5x scale

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.