Home / 9,432.12-14,146.28-2,856.76

Finding the Fourth Proportional to 9,432.12, 14,146.28 and 2,856.76

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Solution

The fourth proportional to 9,432.12, 14,146.28 and 2,856.76 is: 4,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.12 : 14,146.28 = 2,856.76 : x
  2. Step 2: Convert to fraction form
    9,432.12/14,146.28 = 2,856.76/x
  3. Step 3: Cross multiply
    9,432.12x = 14,146.28 × 2,856.76
  4. Step 4: Simplify right side
    9,432.12x = 40,412,526.85
  5. Step 5: Solve for x
    x = 40,412,526.85/9,432.12
  6. Step 6: Final answer
    x = 4,284.56

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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.