Home / 15,627.95-21,562.95-9,251.33

Finding the Fourth Proportional to 15,627.95, 21,562.95 and 9,251.33

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Solution

The fourth proportional to 15,627.95, 21,562.95 and 9,251.33 is: 12,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.95 : 21,562.95 = 9,251.33 : x
  2. Step 2: Convert to fraction form
    15,627.95/21,562.95 = 9,251.33/x
  3. Step 3: Cross multiply
    15,627.95x = 21,562.95 × 9,251.33
  4. Step 4: Simplify right side
    15,627.95x = 199,486,020.13
  5. Step 5: Solve for x
    x = 199,486,020.13/15,627.95
  6. Step 6: Final answer
    x = 12,764.69

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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.