Home / 10,914.30-16,371.45-8,800.20

Finding the Fourth Proportional to 10,914.30, 16,371.45 and 8,800.20

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Solution

The fourth proportional to 10,914.30, 16,371.45 and 8,800.20 is: 13,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.30 : 16,371.45 = 8,800.20 : x
  2. Step 2: Convert to fraction form
    10,914.30/16,371.45 = 8,800.20/x
  3. Step 3: Cross multiply
    10,914.30x = 16,371.45 × 8,800.20
  4. Step 4: Simplify right side
    10,914.30x = 144,072,034.29
  5. Step 5: Solve for x
    x = 144,072,034.29/10,914.30
  6. Step 6: Final answer
    x = 13,200.30

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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.