Home / 10,912.30-15,058.30-6,436.24

Finding the Fourth Proportional to 10,912.30, 15,058.30 and 6,436.24

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Solution

The fourth proportional to 10,912.30, 15,058.30 and 6,436.24 is: 8,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.30 : 15,058.30 = 6,436.24 : x
  2. Step 2: Convert to fraction form
    10,912.30/15,058.30 = 6,436.24/x
  3. Step 3: Cross multiply
    10,912.30x = 15,058.30 × 6,436.24
  4. Step 4: Simplify right side
    10,912.30x = 96,918,832.79
  5. Step 5: Solve for x
    x = 96,918,832.79/10,912.30
  6. Step 6: Final answer
    x = 8,881.61

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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.