Home / 10,351.26-15,512.90-7,423.12

Finding the Fourth Proportional to 10,351.26, 15,512.90 and 7,423.12

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Solution

The fourth proportional to 10,351.26, 15,512.90 and 7,423.12 is: 11,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.26 : 15,512.90 = 7,423.12 : x
  2. Step 2: Convert to fraction form
    10,351.26/15,512.90 = 7,423.12/x
  3. Step 3: Cross multiply
    10,351.26x = 15,512.90 × 7,423.12
  4. Step 4: Simplify right side
    10,351.26x = 115,154,118.25
  5. Step 5: Solve for x
    x = 115,154,118.25/10,351.26
  6. Step 6: Final answer
    x = 11,124.65

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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.