Home / 10,810.70-16,248.45-9,385.10

Finding the Fourth Proportional to 10,810.70, 16,248.45 and 9,385.10

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Solution

The fourth proportional to 10,810.70, 16,248.45 and 9,385.10 is: 14,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.70 : 16,248.45 = 9,385.10 : x
  2. Step 2: Convert to fraction form
    10,810.70/16,248.45 = 9,385.10/x
  3. Step 3: Cross multiply
    10,810.70x = 16,248.45 × 9,385.10
  4. Step 4: Simplify right side
    10,810.70x = 152,493,328.10
  5. Step 5: Solve for x
    x = 152,493,328.10/10,810.70
  6. Step 6: Final answer
    x = 14,105.78

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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.