Home / 10,468.07-15,707.49-5,787.21

Finding the Fourth Proportional to 10,468.07, 15,707.49 and 5,787.21

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Solution

The fourth proportional to 10,468.07, 15,707.49 and 5,787.21 is: 8,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.07 : 15,707.49 = 5,787.21 : x
  2. Step 2: Convert to fraction form
    10,468.07/15,707.49 = 5,787.21/x
  3. Step 3: Cross multiply
    10,468.07x = 15,707.49 × 5,787.21
  4. Step 4: Simplify right side
    10,468.07x = 90,902,543.20
  5. Step 5: Solve for x
    x = 90,902,543.20/10,468.07
  6. Step 6: Final answer
    x = 8,683.79

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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.