Home / 12,434.06-18,651.14-5,038.66

Finding the Fourth Proportional to 12,434.06, 18,651.14 and 5,038.66

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Solution

The fourth proportional to 12,434.06, 18,651.14 and 5,038.66 is: 7,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.06 : 18,651.14 = 5,038.66 : x
  2. Step 2: Convert to fraction form
    12,434.06/18,651.14 = 5,038.66/x
  3. Step 3: Cross multiply
    12,434.06x = 18,651.14 × 5,038.66
  4. Step 4: Simplify right side
    12,434.06x = 93,976,753.07
  5. Step 5: Solve for x
    x = 93,976,753.07/12,434.06
  6. Step 6: Final answer
    x = 7,558.01

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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.