Home / 10,901.70-16,376.85-10,458.90

Finding the Fourth Proportional to 10,901.70, 16,376.85 and 10,458.90

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Solution

The fourth proportional to 10,901.70, 16,376.85 and 10,458.90 is: 15,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.70 : 16,376.85 = 10,458.90 : x
  2. Step 2: Convert to fraction form
    10,901.70/16,376.85 = 10,458.90/x
  3. Step 3: Cross multiply
    10,901.70x = 16,376.85 × 10,458.90
  4. Step 4: Simplify right side
    10,901.70x = 171,283,836.47
  5. Step 5: Solve for x
    x = 171,283,836.47/10,901.70
  6. Step 6: Final answer
    x = 15,711.66

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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.