Home / 10,250.55-14,154.14-6,479.80

Finding the Fourth Proportional to 10,250.55, 14,154.14 and 6,479.80

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Solution

The fourth proportional to 10,250.55, 14,154.14 and 6,479.80 is: 8,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.55 : 14,154.14 = 6,479.80 : x
  2. Step 2: Convert to fraction form
    10,250.55/14,154.14 = 6,479.80/x
  3. Step 3: Cross multiply
    10,250.55x = 14,154.14 × 6,479.80
  4. Step 4: Simplify right side
    10,250.55x = 91,715,977.19
  5. Step 5: Solve for x
    x = 91,715,977.19/10,250.55
  6. Step 6: Final answer
    x = 8,947.42

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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.