Home / 15,414.50-21,272.04-10,701.52

Finding the Fourth Proportional to 15,414.50, 21,272.04 and 10,701.52

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Solution

The fourth proportional to 15,414.50, 21,272.04 and 10,701.52 is: 14,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.50 : 21,272.04 = 10,701.52 : x
  2. Step 2: Convert to fraction form
    15,414.50/21,272.04 = 10,701.52/x
  3. Step 3: Cross multiply
    15,414.50x = 21,272.04 × 10,701.52
  4. Step 4: Simplify right side
    15,414.50x = 227,643,161.50
  5. Step 5: Solve for x
    x = 227,643,161.50/15,414.50
  6. Step 6: Final answer
    x = 14,768.12

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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.