Home / 9,815.15-13,545.26-5,624.21

Finding the Fourth Proportional to 9,815.15, 13,545.26 and 5,624.21

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Solution

The fourth proportional to 9,815.15, 13,545.26 and 5,624.21 is: 7,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.15 : 13,545.26 = 5,624.21 : x
  2. Step 2: Convert to fraction form
    9,815.15/13,545.26 = 5,624.21/x
  3. Step 3: Cross multiply
    9,815.15x = 13,545.26 × 5,624.21
  4. Step 4: Simplify right side
    9,815.15x = 76,181,399.21
  5. Step 5: Solve for x
    x = 76,181,399.21/9,815.15
  6. Step 6: Final answer
    x = 7,761.61

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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.