Home / 10,965.27-15,131.15-6,488.24

Finding the Fourth Proportional to 10,965.27, 15,131.15 and 6,488.24

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Solution

The fourth proportional to 10,965.27, 15,131.15 and 6,488.24 is: 8,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.27 : 15,131.15 = 6,488.24 : x
  2. Step 2: Convert to fraction form
    10,965.27/15,131.15 = 6,488.24/x
  3. Step 3: Cross multiply
    10,965.27x = 15,131.15 × 6,488.24
  4. Step 4: Simplify right side
    10,965.27x = 98,174,424.58
  5. Step 5: Solve for x
    x = 98,174,424.58/10,965.27
  6. Step 6: Final answer
    x = 8,953.22

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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.