Home / 15,294.92-21,111.50-9,626.94

Finding the Fourth Proportional to 15,294.92, 21,111.50 and 9,626.94

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Solution

The fourth proportional to 15,294.92, 21,111.50 and 9,626.94 is: 13,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.92 : 21,111.50 = 9,626.94 : x
  2. Step 2: Convert to fraction form
    15,294.92/21,111.50 = 9,626.94/x
  3. Step 3: Cross multiply
    15,294.92x = 21,111.50 × 9,626.94
  4. Step 4: Simplify right side
    15,294.92x = 203,239,167.88
  5. Step 5: Solve for x
    x = 203,239,167.88/15,294.92
  6. Step 6: Final answer
    x = 13,288.02

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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.