Home / 16,931.28-25,398.60-7,073.64

Finding the Fourth Proportional to 16,931.28, 25,398.60 and 7,073.64

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Solution

The fourth proportional to 16,931.28, 25,398.60 and 7,073.64 is: 10,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.28 : 25,398.60 = 7,073.64 : x
  2. Step 2: Convert to fraction form
    16,931.28/25,398.60 = 7,073.64/x
  3. Step 3: Cross multiply
    16,931.28x = 25,398.60 × 7,073.64
  4. Step 4: Simplify right side
    16,931.28x = 179,660,552.90
  5. Step 5: Solve for x
    x = 179,660,552.90/16,931.28
  6. Step 6: Final answer
    x = 10,611.16

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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.