Home / 12,310.17-16,988.45-7,004.87

Finding the Fourth Proportional to 12,310.17, 16,988.45 and 7,004.87

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Solution

The fourth proportional to 12,310.17, 16,988.45 and 7,004.87 is: 9,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.17 : 16,988.45 = 7,004.87 : x
  2. Step 2: Convert to fraction form
    12,310.17/16,988.45 = 7,004.87/x
  3. Step 3: Cross multiply
    12,310.17x = 16,988.45 × 7,004.87
  4. Step 4: Simplify right side
    12,310.17x = 119,001,883.75
  5. Step 5: Solve for x
    x = 119,001,883.75/12,310.17
  6. Step 6: Final answer
    x = 9,666.96

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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.