Home / 20,347.68-30,521.16-6,496.68

Finding the Fourth Proportional to 20,347.68, 30,521.16 and 6,496.68

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Solution

The fourth proportional to 20,347.68, 30,521.16 and 6,496.68 is: 9,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.68 : 30,521.16 = 6,496.68 : x
  2. Step 2: Convert to fraction form
    20,347.68/30,521.16 = 6,496.68/x
  3. Step 3: Cross multiply
    20,347.68x = 30,521.16 × 6,496.68
  4. Step 4: Simplify right side
    20,347.68x = 198,286,209.75
  5. Step 5: Solve for x
    x = 198,286,209.75/20,347.68
  6. Step 6: Final answer
    x = 9,744.91

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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.