Home / 15,444.95-21,314.14-8,371.42

Finding the Fourth Proportional to 15,444.95, 21,314.14 and 8,371.42

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Solution

The fourth proportional to 15,444.95, 21,314.14 and 8,371.42 is: 11,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.95 : 21,314.14 = 8,371.42 : x
  2. Step 2: Convert to fraction form
    15,444.95/21,314.14 = 8,371.42/x
  3. Step 3: Cross multiply
    15,444.95x = 21,314.14 × 8,371.42
  4. Step 4: Simplify right side
    15,444.95x = 178,429,543.66
  5. Step 5: Solve for x
    x = 178,429,543.66/15,444.95
  6. Step 6: Final answer
    x = 11,552.62

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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.