Home / 23,141.85-31,935.63-12,531.39

Finding the Fourth Proportional to 23,141.85, 31,935.63 and 12,531.39

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Solution

The fourth proportional to 23,141.85, 31,935.63 and 12,531.39 is: 17,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.85 : 31,935.63 = 12,531.39 : x
  2. Step 2: Convert to fraction form
    23,141.85/31,935.63 = 12,531.39/x
  3. Step 3: Cross multiply
    23,141.85x = 31,935.63 × 12,531.39
  4. Step 4: Simplify right side
    23,141.85x = 400,197,834.43
  5. Step 5: Solve for x
    x = 400,197,834.43/23,141.85
  6. Step 6: Final answer
    x = 17,293.25

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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.