Home / 14,560.48-20,087.76-8,961.76

Finding the Fourth Proportional to 14,560.48, 20,087.76 and 8,961.76

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Solution

The fourth proportional to 14,560.48, 20,087.76 and 8,961.76 is: 12,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.48 : 20,087.76 = 8,961.76 : x
  2. Step 2: Convert to fraction form
    14,560.48/20,087.76 = 8,961.76/x
  3. Step 3: Cross multiply
    14,560.48x = 20,087.76 × 8,961.76
  4. Step 4: Simplify right side
    14,560.48x = 180,021,684.06
  5. Step 5: Solve for x
    x = 180,021,684.06/14,560.48
  6. Step 6: Final answer
    x = 12,363.72

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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.