Home / 20,635.44-30,938.01-6,587.38

Finding the Fourth Proportional to 20,635.44, 30,938.01 and 6,587.38

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Solution

The fourth proportional to 20,635.44, 30,938.01 and 6,587.38 is: 9,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.44 : 30,938.01 = 6,587.38 : x
  2. Step 2: Convert to fraction form
    20,635.44/30,938.01 = 6,587.38/x
  3. Step 3: Cross multiply
    20,635.44x = 30,938.01 × 6,587.38
  4. Step 4: Simplify right side
    20,635.44x = 203,800,547.82
  5. Step 5: Solve for x
    x = 203,800,547.82/20,635.44
  6. Step 6: Final answer
    x = 9,876.24

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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.