Home / 10,015.38-15,017.94-5,631.66

Finding the Fourth Proportional to 10,015.38, 15,017.94 and 5,631.66

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Solution

The fourth proportional to 10,015.38, 15,017.94 and 5,631.66 is: 8,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.38 : 15,017.94 = 5,631.66 : x
  2. Step 2: Convert to fraction form
    10,015.38/15,017.94 = 5,631.66/x
  3. Step 3: Cross multiply
    10,015.38x = 15,017.94 × 5,631.66
  4. Step 4: Simplify right side
    10,015.38x = 84,575,931.98
  5. Step 5: Solve for x
    x = 84,575,931.98/10,015.38
  6. Step 6: Final answer
    x = 8,444.61

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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.