Home / 13,270.60-19,905.90-10,937.80

Finding the Fourth Proportional to 13,270.60, 19,905.90 and 10,937.80

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Solution

The fourth proportional to 13,270.60, 19,905.90 and 10,937.80 is: 16,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.60 : 19,905.90 = 10,937.80 : x
  2. Step 2: Convert to fraction form
    13,270.60/19,905.90 = 10,937.80/x
  3. Step 3: Cross multiply
    13,270.60x = 19,905.90 × 10,937.80
  4. Step 4: Simplify right side
    13,270.60x = 217,726,753.02
  5. Step 5: Solve for x
    x = 217,726,753.02/13,270.60
  6. Step 6: Final answer
    x = 16,406.70

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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.