Home / 20,508.10-30,649.76-14,973.10

Finding the Fourth Proportional to 20,508.10, 30,649.76 and 14,973.10

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Solution

The fourth proportional to 20,508.10, 30,649.76 and 14,973.10 is: 22,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508.10 : 30,649.76 = 14,973.10 : x
  2. Step 2: Convert to fraction form
    20,508.10/30,649.76 = 14,973.10/x
  3. Step 3: Cross multiply
    20,508.10x = 30,649.76 × 14,973.10
  4. Step 4: Simplify right side
    20,508.10x = 458,921,921.46
  5. Step 5: Solve for x
    x = 458,921,921.46/20,508.10
  6. Step 6: Final answer
    x = 22,377.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.