Home / 10,110.28-15,142.85-7,752.93

Finding the Fourth Proportional to 10,110.28, 15,142.85 and 7,752.93

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Solution

The fourth proportional to 10,110.28, 15,142.85 and 7,752.93 is: 11,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.28 : 15,142.85 = 7,752.93 : x
  2. Step 2: Convert to fraction form
    10,110.28/15,142.85 = 7,752.93/x
  3. Step 3: Cross multiply
    10,110.28x = 15,142.85 × 7,752.93
  4. Step 4: Simplify right side
    10,110.28x = 117,401,456.05
  5. Step 5: Solve for x
    x = 117,401,456.05/10,110.28
  6. Step 6: Final answer
    x = 11,612.09

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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.