Home / 12,309.11-17,000.73-8,966.87

Finding the Fourth Proportional to 12,309.11, 17,000.73 and 8,966.87

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Solution

The fourth proportional to 12,309.11, 17,000.73 and 8,966.87 is: 12,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.11 : 17,000.73 = 8,966.87 : x
  2. Step 2: Convert to fraction form
    12,309.11/17,000.73 = 8,966.87/x
  3. Step 3: Cross multiply
    12,309.11x = 17,000.73 × 8,966.87
  4. Step 4: Simplify right side
    12,309.11x = 152,443,250.81
  5. Step 5: Solve for x
    x = 152,443,250.81/12,309.11
  6. Step 6: Final answer
    x = 12,384.59

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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.