Home / 15,627.74-21,562.02-8,910.92

Finding the Fourth Proportional to 15,627.74, 21,562.02 and 8,910.92

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Solution

The fourth proportional to 15,627.74, 21,562.02 and 8,910.92 is: 12,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.74 : 21,562.02 = 8,910.92 : x
  2. Step 2: Convert to fraction form
    15,627.74/21,562.02 = 8,910.92/x
  3. Step 3: Cross multiply
    15,627.74x = 21,562.02 × 8,910.92
  4. Step 4: Simplify right side
    15,627.74x = 192,137,489.16
  5. Step 5: Solve for x
    x = 192,137,489.16/15,627.74
  6. Step 6: Final answer
    x = 12,294.64

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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.