Home / 12,758.27-19,124.22-9,239.42

Finding the Fourth Proportional to 12,758.27, 19,124.22 and 9,239.42

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Solution

The fourth proportional to 12,758.27, 19,124.22 and 9,239.42 is: 13,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.27 : 19,124.22 = 9,239.42 : x
  2. Step 2: Convert to fraction form
    12,758.27/19,124.22 = 9,239.42/x
  3. Step 3: Cross multiply
    12,758.27x = 19,124.22 × 9,239.42
  4. Step 4: Simplify right side
    12,758.27x = 176,696,605.13
  5. Step 5: Solve for x
    x = 176,696,605.13/12,758.27
  6. Step 6: Final answer
    x = 13,849.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.