Home / 10,388.55-14,335.65-5,912.22

Finding the Fourth Proportional to 10,388.55, 14,335.65 and 5,912.22

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Solution

The fourth proportional to 10,388.55, 14,335.65 and 5,912.22 is: 8,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.55 : 14,335.65 = 5,912.22 : x
  2. Step 2: Convert to fraction form
    10,388.55/14,335.65 = 5,912.22/x
  3. Step 3: Cross multiply
    10,388.55x = 14,335.65 × 5,912.22
  4. Step 4: Simplify right side
    10,388.55x = 84,755,516.64
  5. Step 5: Solve for x
    x = 84,755,516.64/10,388.55
  6. Step 6: Final answer
    x = 8,158.55

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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.