Home / 9,176.49-13,761.72-5,015.61

Finding the Fourth Proportional to 9,176.49, 13,761.72 and 5,015.61

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Solution

The fourth proportional to 9,176.49, 13,761.72 and 5,015.61 is: 7,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.49 : 13,761.72 = 5,015.61 : x
  2. Step 2: Convert to fraction form
    9,176.49/13,761.72 = 5,015.61/x
  3. Step 3: Cross multiply
    9,176.49x = 13,761.72 × 5,015.61
  4. Step 4: Simplify right side
    9,176.49x = 69,023,420.45
  5. Step 5: Solve for x
    x = 69,023,420.45/9,176.49
  6. Step 6: Final answer
    x = 7,521.77

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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.