Home / 15,966.12-22,010.38-11,235.72

Finding the Fourth Proportional to 15,966.12, 22,010.38 and 11,235.72

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Solution

The fourth proportional to 15,966.12, 22,010.38 and 11,235.72 is: 15,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.12 : 22,010.38 = 11,235.72 : x
  2. Step 2: Convert to fraction form
    15,966.12/22,010.38 = 11,235.72/x
  3. Step 3: Cross multiply
    15,966.12x = 22,010.38 × 11,235.72
  4. Step 4: Simplify right side
    15,966.12x = 247,302,466.77
  5. Step 5: Solve for x
    x = 247,302,466.77/15,966.12
  6. Step 6: Final answer
    x = 15,489.20

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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.