Home / 20,341.68-30,496.86-9,806.28

Finding the Fourth Proportional to 20,341.68, 30,496.86 and 9,806.28

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Solution

The fourth proportional to 20,341.68, 30,496.86 and 9,806.28 is: 14,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.68 : 30,496.86 = 9,806.28 : x
  2. Step 2: Convert to fraction form
    20,341.68/30,496.86 = 9,806.28/x
  3. Step 3: Cross multiply
    20,341.68x = 30,496.86 × 9,806.28
  4. Step 4: Simplify right side
    20,341.68x = 299,060,748.28
  5. Step 5: Solve for x
    x = 299,060,748.28/20,341.68
  6. Step 6: Final answer
    x = 14,701.87

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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.