Home / 11,114.77-15,337.66-6,400.57

Finding the Fourth Proportional to 11,114.77, 15,337.66 and 6,400.57

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Solution

The fourth proportional to 11,114.77, 15,337.66 and 6,400.57 is: 8,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.77 : 15,337.66 = 6,400.57 : x
  2. Step 2: Convert to fraction form
    11,114.77/15,337.66 = 6,400.57/x
  3. Step 3: Cross multiply
    11,114.77x = 15,337.66 × 6,400.57
  4. Step 4: Simplify right side
    11,114.77x = 98,169,766.47
  5. Step 5: Solve for x
    x = 98,169,766.47/11,114.77
  6. Step 6: Final answer
    x = 8,832.37

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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.