Home / 10,291.91-14,202.85-5,576.19

Finding the Fourth Proportional to 10,291.91, 14,202.85 and 5,576.19

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Solution

The fourth proportional to 10,291.91, 14,202.85 and 5,576.19 is: 7,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.91 : 14,202.85 = 5,576.19 : x
  2. Step 2: Convert to fraction form
    10,291.91/14,202.85 = 5,576.19/x
  3. Step 3: Cross multiply
    10,291.91x = 14,202.85 × 5,576.19
  4. Step 4: Simplify right side
    10,291.91x = 79,197,691.25
  5. Step 5: Solve for x
    x = 79,197,691.25/10,291.91
  6. Step 6: Final answer
    x = 7,695.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.