Home / 10,275.28-14,178.84-7,587.92

Finding the Fourth Proportional to 10,275.28, 14,178.84 and 7,587.92

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Solution

The fourth proportional to 10,275.28, 14,178.84 and 7,587.92 is: 10,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.28 : 14,178.84 = 7,587.92 : x
  2. Step 2: Convert to fraction form
    10,275.28/14,178.84 = 7,587.92/x
  3. Step 3: Cross multiply
    10,275.28x = 14,178.84 × 7,587.92
  4. Step 4: Simplify right side
    10,275.28x = 107,587,903.61
  5. Step 5: Solve for x
    x = 107,587,903.61/10,275.28
  6. Step 6: Final answer
    x = 10,470.56

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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.