Home / 9,381.41-12,931.33-6,355.60

Finding the Fourth Proportional to 9,381.41, 12,931.33 and 6,355.60

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Solution

The fourth proportional to 9,381.41, 12,931.33 and 6,355.60 is: 8,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.41 : 12,931.33 = 6,355.60 : x
  2. Step 2: Convert to fraction form
    9,381.41/12,931.33 = 6,355.60/x
  3. Step 3: Cross multiply
    9,381.41x = 12,931.33 × 6,355.60
  4. Step 4: Simplify right side
    9,381.41x = 82,186,360.95
  5. Step 5: Solve for x
    x = 82,186,360.95/9,381.41
  6. Step 6: Final answer
    x = 8,760.56

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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.