Home / 10,388.15-14,335.13-5,912.29

Finding the Fourth Proportional to 10,388.15, 14,335.13 and 5,912.29

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Solution

The fourth proportional to 10,388.15, 14,335.13 and 5,912.29 is: 8,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.15 : 14,335.13 = 5,912.29 : x
  2. Step 2: Convert to fraction form
    10,388.15/14,335.13 = 5,912.29/x
  3. Step 3: Cross multiply
    10,388.15x = 14,335.13 × 5,912.29
  4. Step 4: Simplify right side
    10,388.15x = 84,753,344.51
  5. Step 5: Solve for x
    x = 84,753,344.51/10,388.15
  6. Step 6: Final answer
    x = 8,158.66

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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.