Home / 14,686.48-20,275.24-11,321.92

Finding the Fourth Proportional to 14,686.48, 20,275.24 and 11,321.92

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Solution

The fourth proportional to 14,686.48, 20,275.24 and 11,321.92 is: 15,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.48 : 20,275.24 = 11,321.92 : x
  2. Step 2: Convert to fraction form
    14,686.48/20,275.24 = 11,321.92/x
  3. Step 3: Cross multiply
    14,686.48x = 20,275.24 × 11,321.92
  4. Step 4: Simplify right side
    14,686.48x = 229,554,645.26
  5. Step 5: Solve for x
    x = 229,554,645.26/14,686.48
  6. Step 6: Final answer
    x = 15,630.34

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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.