Home / 9,432.72-13,011.30-6,775.92

Finding the Fourth Proportional to 9,432.72, 13,011.30 and 6,775.92

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Solution

The fourth proportional to 9,432.72, 13,011.30 and 6,775.92 is: 9,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.72 : 13,011.30 = 6,775.92 : x
  2. Step 2: Convert to fraction form
    9,432.72/13,011.30 = 6,775.92/x
  3. Step 3: Cross multiply
    9,432.72x = 13,011.30 × 6,775.92
  4. Step 4: Simplify right side
    9,432.72x = 88,163,527.90
  5. Step 5: Solve for x
    x = 88,163,527.90/9,432.72
  6. Step 6: Final answer
    x = 9,346.56

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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.