Home / 12,754.17-17,557.08-11,065.65

Finding the Fourth Proportional to 12,754.17, 17,557.08 and 11,065.65

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Solution

The fourth proportional to 12,754.17, 17,557.08 and 11,065.65 is: 15,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.17 : 17,557.08 = 11,065.65 : x
  2. Step 2: Convert to fraction form
    12,754.17/17,557.08 = 11,065.65/x
  3. Step 3: Cross multiply
    12,754.17x = 17,557.08 × 11,065.65
  4. Step 4: Simplify right side
    12,754.17x = 194,280,502.30
  5. Step 5: Solve for x
    x = 194,280,502.30/12,754.17
  6. Step 6: Final answer
    x = 15,232.70

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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.