Home / 10,964.88-15,131.16-6,250.68

Finding the Fourth Proportional to 10,964.88, 15,131.16 and 6,250.68

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Solution

The fourth proportional to 10,964.88, 15,131.16 and 6,250.68 is: 8,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.88 : 15,131.16 = 6,250.68 : x
  2. Step 2: Convert to fraction form
    10,964.88/15,131.16 = 6,250.68/x
  3. Step 3: Cross multiply
    10,964.88x = 15,131.16 × 6,250.68
  4. Step 4: Simplify right side
    10,964.88x = 94,580,039.19
  5. Step 5: Solve for x
    x = 94,580,039.19/10,964.88
  6. Step 6: Final answer
    x = 8,625.72

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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.