Home / 12,252.60-18,342.45-11,531.70

Finding the Fourth Proportional to 12,252.60, 18,342.45 and 11,531.70

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Solution

The fourth proportional to 12,252.60, 18,342.45 and 11,531.70 is: 17,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.60 : 18,342.45 = 11,531.70 : x
  2. Step 2: Convert to fraction form
    12,252.60/18,342.45 = 11,531.70/x
  3. Step 3: Cross multiply
    12,252.60x = 18,342.45 × 11,531.70
  4. Step 4: Simplify right side
    12,252.60x = 211,519,630.67
  5. Step 5: Solve for x
    x = 211,519,630.67/12,252.60
  6. Step 6: Final answer
    x = 17,263.24

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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.