Home / 15,962.88-22,023.60-8,887.92

Finding the Fourth Proportional to 15,962.88, 22,023.60 and 8,887.92

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Solution

The fourth proportional to 15,962.88, 22,023.60 and 8,887.92 is: 12,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.88 : 22,023.60 = 8,887.92 : x
  2. Step 2: Convert to fraction form
    15,962.88/22,023.60 = 8,887.92/x
  3. Step 3: Cross multiply
    15,962.88x = 22,023.60 × 8,887.92
  4. Step 4: Simplify right side
    15,962.88x = 195,743,994.91
  5. Step 5: Solve for x
    x = 195,743,994.91/15,962.88
  6. Step 6: Final answer
    x = 12,262.45

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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.