Home / 14,031.68-19,365.84-8,728.20

Finding the Fourth Proportional to 14,031.68, 19,365.84 and 8,728.20

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Solution

The fourth proportional to 14,031.68, 19,365.84 and 8,728.20 is: 12,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.68 : 19,365.84 = 8,728.20 : x
  2. Step 2: Convert to fraction form
    14,031.68/19,365.84 = 8,728.20/x
  3. Step 3: Cross multiply
    14,031.68x = 19,365.84 × 8,728.20
  4. Step 4: Simplify right side
    14,031.68x = 169,028,924.69
  5. Step 5: Solve for x
    x = 169,028,924.69/14,031.68
  6. Step 6: Final answer
    x = 12,046.24

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Similar ratio
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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.