Home / 15,511.60-23,267.40-9,278.65

Finding the Fourth Proportional to 15,511.60, 23,267.40 and 9,278.65

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Solution

The fourth proportional to 15,511.60, 23,267.40 and 9,278.65 is: 13,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.60 : 23,267.40 = 9,278.65 : x
  2. Step 2: Convert to fraction form
    15,511.60/23,267.40 = 9,278.65/x
  3. Step 3: Cross multiply
    15,511.60x = 23,267.40 × 9,278.65
  4. Step 4: Simplify right side
    15,511.60x = 215,890,061.01
  5. Step 5: Solve for x
    x = 215,890,061.01/15,511.60
  6. Step 6: Final answer
    x = 13,917.98

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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.