Home / 15,747.74-23,621.14-6,387.53

Finding the Fourth Proportional to 15,747.74, 23,621.14 and 6,387.53

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Solution

The fourth proportional to 15,747.74, 23,621.14 and 6,387.53 is: 9,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.74 : 23,621.14 = 6,387.53 : x
  2. Step 2: Convert to fraction form
    15,747.74/23,621.14 = 6,387.53/x
  3. Step 3: Cross multiply
    15,747.74x = 23,621.14 × 6,387.53
  4. Step 4: Simplify right side
    15,747.74x = 150,880,740.38
  5. Step 5: Solve for x
    x = 150,880,740.38/15,747.74
  6. Step 6: Final answer
    x = 9,581.10

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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.