Home / 9,340.54-12,885.86-6,149.72

Finding the Fourth Proportional to 9,340.54, 12,885.86 and 6,149.72

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Solution

The fourth proportional to 9,340.54, 12,885.86 and 6,149.72 is: 8,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.54 : 12,885.86 = 6,149.72 : x
  2. Step 2: Convert to fraction form
    9,340.54/12,885.86 = 6,149.72/x
  3. Step 3: Cross multiply
    9,340.54x = 12,885.86 × 6,149.72
  4. Step 4: Simplify right side
    9,340.54x = 79,244,430.96
  5. Step 5: Solve for x
    x = 79,244,430.96/9,340.54
  6. Step 6: Final answer
    x = 8,483.92

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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.