Home / 23,711.36-32,720.88-13,100.36

Finding the Fourth Proportional to 23,711.36, 32,720.88 and 13,100.36

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Solution

The fourth proportional to 23,711.36, 32,720.88 and 13,100.36 is: 18,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,711.36 : 32,720.88 = 13,100.36 : x
  2. Step 2: Convert to fraction form
    23,711.36/32,720.88 = 13,100.36/x
  3. Step 3: Cross multiply
    23,711.36x = 32,720.88 × 13,100.36
  4. Step 4: Simplify right side
    23,711.36x = 428,655,307.52
  5. Step 5: Solve for x
    x = 428,655,307.52/23,711.36
  6. Step 6: Final answer
    x = 18,078.06

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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.