Home / 23,126.60-31,914.59-12,516.14

Finding the Fourth Proportional to 23,126.60, 31,914.59 and 12,516.14

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Solution

The fourth proportional to 23,126.60, 31,914.59 and 12,516.14 is: 17,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.60 : 31,914.59 = 12,516.14 : x
  2. Step 2: Convert to fraction form
    23,126.60/31,914.59 = 12,516.14/x
  3. Step 3: Cross multiply
    23,126.60x = 31,914.59 × 12,516.14
  4. Step 4: Simplify right side
    23,126.60x = 399,447,476.48
  5. Step 5: Solve for x
    x = 399,447,476.48/23,126.60
  6. Step 6: Final answer
    x = 17,272.21

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1.5x scale

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.