Home / 9,124.61-13,686.24-5,450.18

Finding the Fourth Proportional to 9,124.61, 13,686.24 and 5,450.18

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Solution

The fourth proportional to 9,124.61, 13,686.24 and 5,450.18 is: 8,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.61 : 13,686.24 = 5,450.18 : x
  2. Step 2: Convert to fraction form
    9,124.61/13,686.24 = 5,450.18/x
  3. Step 3: Cross multiply
    9,124.61x = 13,686.24 × 5,450.18
  4. Step 4: Simplify right side
    9,124.61x = 74,592,471.52
  5. Step 5: Solve for x
    x = 74,592,471.52/9,124.61
  6. Step 6: Final answer
    x = 8,174.87

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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.