Home / 10,369.53-15,554.30-5,781.69

Finding the Fourth Proportional to 10,369.53, 15,554.30 and 5,781.69

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Solution

The fourth proportional to 10,369.53, 15,554.30 and 5,781.69 is: 8,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.53 : 15,554.30 = 5,781.69 : x
  2. Step 2: Convert to fraction form
    10,369.53/15,554.30 = 5,781.69/x
  3. Step 3: Cross multiply
    10,369.53x = 15,554.30 × 5,781.69
  4. Step 4: Simplify right side
    10,369.53x = 89,930,111.86
  5. Step 5: Solve for x
    x = 89,930,111.86/10,369.53
  6. Step 6: Final answer
    x = 8,672.54

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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.