Home / 11,925.70-16,458.23-6,890.13

Finding the Fourth Proportional to 11,925.70, 16,458.23 and 6,890.13

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Solution

The fourth proportional to 11,925.70, 16,458.23 and 6,890.13 is: 9,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.70 : 16,458.23 = 6,890.13 : x
  2. Step 2: Convert to fraction form
    11,925.70/16,458.23 = 6,890.13/x
  3. Step 3: Cross multiply
    11,925.70x = 16,458.23 × 6,890.13
  4. Step 4: Simplify right side
    11,925.70x = 113,399,344.27
  5. Step 5: Solve for x
    x = 113,399,344.27/11,925.70
  6. Step 6: Final answer
    x = 9,508.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.