Home / 20,638.56-30,948.36-6,595.49

Finding the Fourth Proportional to 20,638.56, 30,948.36 and 6,595.49

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Solution

The fourth proportional to 20,638.56, 30,948.36 and 6,595.49 is: 9,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,638.56 : 30,948.36 = 6,595.49 : x
  2. Step 2: Convert to fraction form
    20,638.56/30,948.36 = 6,595.49/x
  3. Step 3: Cross multiply
    20,638.56x = 30,948.36 × 6,595.49
  4. Step 4: Simplify right side
    20,638.56x = 204,119,444.15
  5. Step 5: Solve for x
    x = 204,119,444.15/20,638.56
  6. Step 6: Final answer
    x = 9,890.20

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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.