Home / 10,236.68-14,121.89-7,399.55

Finding the Fourth Proportional to 10,236.68, 14,121.89 and 7,399.55

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Solution

The fourth proportional to 10,236.68, 14,121.89 and 7,399.55 is: 10,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.68 : 14,121.89 = 7,399.55 : x
  2. Step 2: Convert to fraction form
    10,236.68/14,121.89 = 7,399.55/x
  3. Step 3: Cross multiply
    10,236.68x = 14,121.89 × 7,399.55
  4. Step 4: Simplify right side
    10,236.68x = 104,495,698.83
  5. Step 5: Solve for x
    x = 104,495,698.83/10,236.68
  6. Step 6: Final answer
    x = 10,207.97

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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.