Home / 10,922.72-15,073.98-10,290.92

Finding the Fourth Proportional to 10,922.72, 15,073.98 and 10,290.92

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Solution

The fourth proportional to 10,922.72, 15,073.98 and 10,290.92 is: 14,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.72 : 15,073.98 = 10,290.92 : x
  2. Step 2: Convert to fraction form
    10,922.72/15,073.98 = 10,290.92/x
  3. Step 3: Cross multiply
    10,922.72x = 15,073.98 × 10,290.92
  4. Step 4: Simplify right side
    10,922.72x = 155,125,122.26
  5. Step 5: Solve for x
    x = 155,125,122.26/10,922.72
  6. Step 6: Final answer
    x = 14,202.06

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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.