Home / 21,377.77-32,067.20-10,130.47

Finding the Fourth Proportional to 21,377.77, 32,067.20 and 10,130.47

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Solution

The fourth proportional to 21,377.77, 32,067.20 and 10,130.47 is: 15,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.77 : 32,067.20 = 10,130.47 : x
  2. Step 2: Convert to fraction form
    21,377.77/32,067.20 = 10,130.47/x
  3. Step 3: Cross multiply
    21,377.77x = 32,067.20 × 10,130.47
  4. Step 4: Simplify right side
    21,377.77x = 324,855,676.76
  5. Step 5: Solve for x
    x = 324,855,676.76/21,377.77
  6. Step 6: Final answer
    x = 15,195.96

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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.