Home / 22,433.68-30,956.04-13,005.20

Finding the Fourth Proportional to 22,433.68, 30,956.04 and 13,005.20

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Solution

The fourth proportional to 22,433.68, 30,956.04 and 13,005.20 is: 17,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.68 : 30,956.04 = 13,005.20 : x
  2. Step 2: Convert to fraction form
    22,433.68/30,956.04 = 13,005.20/x
  3. Step 3: Cross multiply
    22,433.68x = 30,956.04 × 13,005.20
  4. Step 4: Simplify right side
    22,433.68x = 402,589,491.41
  5. Step 5: Solve for x
    x = 402,589,491.41/22,433.68
  6. Step 6: Final answer
    x = 17,945.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.