Home / 10,478.24-15,717.17-4,238.18

Finding the Fourth Proportional to 10,478.24, 15,717.17 and 4,238.18

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Solution

The fourth proportional to 10,478.24, 15,717.17 and 4,238.18 is: 6,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.24 : 15,717.17 = 4,238.18 : x
  2. Step 2: Convert to fraction form
    10,478.24/15,717.17 = 4,238.18/x
  3. Step 3: Cross multiply
    10,478.24x = 15,717.17 × 4,238.18
  4. Step 4: Simplify right side
    10,478.24x = 66,612,174.36
  5. Step 5: Solve for x
    x = 66,612,174.36/10,478.24
  6. Step 6: Final answer
    x = 6,357.19

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1.5x scale

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.