Home / 8,861.16-13,273.51-6,400.92

Finding the Fourth Proportional to 8,861.16, 13,273.51 and 6,400.92

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Solution

The fourth proportional to 8,861.16, 13,273.51 and 6,400.92 is: 9,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.16 : 13,273.51 = 6,400.92 : x
  2. Step 2: Convert to fraction form
    8,861.16/13,273.51 = 6,400.92/x
  3. Step 3: Cross multiply
    8,861.16x = 13,273.51 × 6,400.92
  4. Step 4: Simplify right side
    8,861.16x = 84,962,675.63
  5. Step 5: Solve for x
    x = 84,962,675.63/8,861.16
  6. Step 6: Final answer
    x = 9,588.21

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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.