Home / 13,487.92-20,232.48-9,772.45

Finding the Fourth Proportional to 13,487.92, 20,232.48 and 9,772.45

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Solution

The fourth proportional to 13,487.92, 20,232.48 and 9,772.45 is: 14,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.92 : 20,232.48 = 9,772.45 : x
  2. Step 2: Convert to fraction form
    13,487.92/20,232.48 = 9,772.45/x
  3. Step 3: Cross multiply
    13,487.92x = 20,232.48 × 9,772.45
  4. Step 4: Simplify right side
    13,487.92x = 197,720,885.24
  5. Step 5: Solve for x
    x = 197,720,885.24/13,487.92
  6. Step 6: Final answer
    x = 14,659.11

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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.