Home / 15,338.26-21,167.58-8,624.98

Finding the Fourth Proportional to 15,338.26, 21,167.58 and 8,624.98

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Solution

The fourth proportional to 15,338.26, 21,167.58 and 8,624.98 is: 11,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.26 : 21,167.58 = 8,624.98 : x
  2. Step 2: Convert to fraction form
    15,338.26/21,167.58 = 8,624.98/x
  3. Step 3: Cross multiply
    15,338.26x = 21,167.58 × 8,624.98
  4. Step 4: Simplify right side
    15,338.26x = 182,569,954.15
  5. Step 5: Solve for x
    x = 182,569,954.15/15,338.26
  6. Step 6: Final answer
    x = 11,902.91

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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.