Home / 10,005.24-15,011.90-4,454.79

Finding the Fourth Proportional to 10,005.24, 15,011.90 and 4,454.79

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Solution

The fourth proportional to 10,005.24, 15,011.90 and 4,454.79 is: 6,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.24 : 15,011.90 = 4,454.79 : x
  2. Step 2: Convert to fraction form
    10,005.24/15,011.90 = 4,454.79/x
  3. Step 3: Cross multiply
    10,005.24x = 15,011.90 × 4,454.79
  4. Step 4: Simplify right side
    10,005.24x = 66,874,839.73
  5. Step 5: Solve for x
    x = 66,874,839.73/10,005.24
  6. Step 6: Final answer
    x = 6,683.98

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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.