Home / 12,437.28-17,154.45-8,451.27

Finding the Fourth Proportional to 12,437.28, 17,154.45 and 8,451.27

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Solution

The fourth proportional to 12,437.28, 17,154.45 and 8,451.27 is: 11,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.28 : 17,154.45 = 8,451.27 : x
  2. Step 2: Convert to fraction form
    12,437.28/17,154.45 = 8,451.27/x
  3. Step 3: Cross multiply
    12,437.28x = 17,154.45 × 8,451.27
  4. Step 4: Simplify right side
    12,437.28x = 144,976,888.65
  5. Step 5: Solve for x
    x = 144,976,888.65/12,437.28
  6. Step 6: Final answer
    x = 11,656.64

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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.