Home / 12,040.70-18,066.16-6,487.59

Finding the Fourth Proportional to 12,040.70, 18,066.16 and 6,487.59

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Solution

The fourth proportional to 12,040.70, 18,066.16 and 6,487.59 is: 9,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.70 : 18,066.16 = 6,487.59 : x
  2. Step 2: Convert to fraction form
    12,040.70/18,066.16 = 6,487.59/x
  3. Step 3: Cross multiply
    12,040.70x = 18,066.16 × 6,487.59
  4. Step 4: Simplify right side
    12,040.70x = 117,205,838.95
  5. Step 5: Solve for x
    x = 117,205,838.95/12,040.70
  6. Step 6: Final answer
    x = 9,734.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.