Home / 9,006.72-12,430.46-5,028.66

Finding the Fourth Proportional to 9,006.72, 12,430.46 and 5,028.66

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Solution

The fourth proportional to 9,006.72, 12,430.46 and 5,028.66 is: 6,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.72 : 12,430.46 = 5,028.66 : x
  2. Step 2: Convert to fraction form
    9,006.72/12,430.46 = 5,028.66/x
  3. Step 3: Cross multiply
    9,006.72x = 12,430.46 × 5,028.66
  4. Step 4: Simplify right side
    9,006.72x = 62,508,531.84
  5. Step 5: Solve for x
    x = 62,508,531.84/9,006.72
  6. Step 6: Final answer
    x = 6,940.21

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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.