Home / 11,104.87-15,331.52-10,572.04

Finding the Fourth Proportional to 11,104.87, 15,331.52 and 10,572.04

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Solution

The fourth proportional to 11,104.87, 15,331.52 and 10,572.04 is: 14,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.87 : 15,331.52 = 10,572.04 : x
  2. Step 2: Convert to fraction form
    11,104.87/15,331.52 = 10,572.04/x
  3. Step 3: Cross multiply
    11,104.87x = 15,331.52 × 10,572.04
  4. Step 4: Simplify right side
    11,104.87x = 162,085,442.70
  5. Step 5: Solve for x
    x = 162,085,442.70/11,104.87
  6. Step 6: Final answer
    x = 14,595.89

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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.