Home / 10,393.88-15,581.38-4,152.56

Finding the Fourth Proportional to 10,393.88, 15,581.38 and 4,152.56

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Solution

The fourth proportional to 10,393.88, 15,581.38 and 4,152.56 is: 6,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.88 : 15,581.38 = 4,152.56 : x
  2. Step 2: Convert to fraction form
    10,393.88/15,581.38 = 4,152.56/x
  3. Step 3: Cross multiply
    10,393.88x = 15,581.38 × 4,152.56
  4. Step 4: Simplify right side
    10,393.88x = 64,702,615.33
  5. Step 5: Solve for x
    x = 64,702,615.33/10,393.88
  6. Step 6: Final answer
    x = 6,225.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.