Home / 23,108.40-31,889.56-12,498

Finding the Fourth Proportional to 23,108.40, 31,889.56 and 12,498

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Solution

The fourth proportional to 23,108.40, 31,889.56 and 12,498 is: 17,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.40 : 31,889.56 = 12,498 : x
  2. Step 2: Convert to fraction form
    23,108.40/31,889.56 = 12,498/x
  3. Step 3: Cross multiply
    23,108.40x = 31,889.56 × 12,498
  4. Step 4: Simplify right side
    23,108.40x = 398,555,720.88
  5. Step 5: Solve for x
    x = 398,555,720.88/23,108.40
  6. Step 6: Final answer
    x = 17,247.22

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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.