Home / 12,307.26-18,464-3,542.18

Finding the Fourth Proportional to 12,307.26, 18,464 and 3,542.18

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Solution

The fourth proportional to 12,307.26, 18,464 and 3,542.18 is: 5,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.26 : 18,464 = 3,542.18 : x
  2. Step 2: Convert to fraction form
    12,307.26/18,464 = 3,542.18/x
  3. Step 3: Cross multiply
    12,307.26x = 18,464 × 3,542.18
  4. Step 4: Simplify right side
    12,307.26x = 65,402,811.52
  5. Step 5: Solve for x
    x = 65,402,811.52/12,307.26
  6. Step 6: Final answer
    x = 5,314.17

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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.