Home / 23,111.88-31,894.38-12,501.50

Finding the Fourth Proportional to 23,111.88, 31,894.38 and 12,501.50

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Solution

The fourth proportional to 23,111.88, 31,894.38 and 12,501.50 is: 17,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.88 : 31,894.38 = 12,501.50 : x
  2. Step 2: Convert to fraction form
    23,111.88/31,894.38 = 12,501.50/x
  3. Step 3: Cross multiply
    23,111.88x = 31,894.38 × 12,501.50
  4. Step 4: Simplify right side
    23,111.88x = 398,727,591.57
  5. Step 5: Solve for x
    x = 398,727,591.57/23,111.88
  6. Step 6: Final answer
    x = 17,252.06

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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.