Home / 12,488.13-17,226.31-7,773.93

Finding the Fourth Proportional to 12,488.13, 17,226.31 and 7,773.93

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Solution

The fourth proportional to 12,488.13, 17,226.31 and 7,773.93 is: 10,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.13 : 17,226.31 = 7,773.93 : x
  2. Step 2: Convert to fraction form
    12,488.13/17,226.31 = 7,773.93/x
  3. Step 3: Cross multiply
    12,488.13x = 17,226.31 × 7,773.93
  4. Step 4: Simplify right side
    12,488.13x = 133,916,128.10
  5. Step 5: Solve for x
    x = 133,916,128.10/12,488.13
  6. Step 6: Final answer
    x = 10,723.47

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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.