Home / 10,251.71-14,148.41-6,275.45

Finding the Fourth Proportional to 10,251.71, 14,148.41 and 6,275.45

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Solution

The fourth proportional to 10,251.71, 14,148.41 and 6,275.45 is: 8,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.71 : 14,148.41 = 6,275.45 : x
  2. Step 2: Convert to fraction form
    10,251.71/14,148.41 = 6,275.45/x
  3. Step 3: Cross multiply
    10,251.71x = 14,148.41 × 6,275.45
  4. Step 4: Simplify right side
    10,251.71x = 88,787,608.16
  5. Step 5: Solve for x
    x = 88,787,608.16/10,251.71
  6. Step 6: Final answer
    x = 8,660.76

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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.