Home / 16,898.60-25,331.70-13,148.30

Finding the Fourth Proportional to 16,898.60, 25,331.70 and 13,148.30

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Solution

The fourth proportional to 16,898.60, 25,331.70 and 13,148.30 is: 19,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.60 : 25,331.70 = 13,148.30 : x
  2. Step 2: Convert to fraction form
    16,898.60/25,331.70 = 13,148.30/x
  3. Step 3: Cross multiply
    16,898.60x = 25,331.70 × 13,148.30
  4. Step 4: Simplify right side
    16,898.60x = 333,068,791.11
  5. Step 5: Solve for x
    x = 333,068,791.11/16,898.60
  6. Step 6: Final answer
    x = 19,709.85

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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.