Home / 10,275.30-15,402.39-4,426.98

Finding the Fourth Proportional to 10,275.30, 15,402.39 and 4,426.98

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Solution

The fourth proportional to 10,275.30, 15,402.39 and 4,426.98 is: 6,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.30 : 15,402.39 = 4,426.98 : x
  2. Step 2: Convert to fraction form
    10,275.30/15,402.39 = 4,426.98/x
  3. Step 3: Cross multiply
    10,275.30x = 15,402.39 × 4,426.98
  4. Step 4: Simplify right side
    10,275.30x = 68,186,072.48
  5. Step 5: Solve for x
    x = 68,186,072.48/10,275.30
  6. Step 6: Final answer
    x = 6,635.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.