Home / 12,001.60-16,560.57-6,695.74

Finding the Fourth Proportional to 12,001.60, 16,560.57 and 6,695.74

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Solution

The fourth proportional to 12,001.60, 16,560.57 and 6,695.74 is: 9,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.60 : 16,560.57 = 6,695.74 : x
  2. Step 2: Convert to fraction form
    12,001.60/16,560.57 = 6,695.74/x
  3. Step 3: Cross multiply
    12,001.60x = 16,560.57 × 6,695.74
  4. Step 4: Simplify right side
    12,001.60x = 110,885,270.97
  5. Step 5: Solve for x
    x = 110,885,270.97/12,001.60
  6. Step 6: Final answer
    x = 9,239.21

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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.