Home / 20,496.68-30,746.13-6,457.81

Finding the Fourth Proportional to 20,496.68, 30,746.13 and 6,457.81

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Solution

The fourth proportional to 20,496.68, 30,746.13 and 6,457.81 is: 9,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.68 : 30,746.13 = 6,457.81 : x
  2. Step 2: Convert to fraction form
    20,496.68/30,746.13 = 6,457.81/x
  3. Step 3: Cross multiply
    20,496.68x = 30,746.13 × 6,457.81
  4. Step 4: Simplify right side
    20,496.68x = 198,552,665.78
  5. Step 5: Solve for x
    x = 198,552,665.78/20,496.68
  6. Step 6: Final answer
    x = 9,687.06

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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.