Home / 17,712.74-24,426.71-13,673.12

Finding the Fourth Proportional to 17,712.74, 24,426.71 and 13,673.12

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Solution

The fourth proportional to 17,712.74, 24,426.71 and 13,673.12 is: 18,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.74 : 24,426.71 = 13,673.12 : x
  2. Step 2: Convert to fraction form
    17,712.74/24,426.71 = 13,673.12/x
  3. Step 3: Cross multiply
    17,712.74x = 24,426.71 × 13,673.12
  4. Step 4: Simplify right side
    17,712.74x = 333,989,197.81
  5. Step 5: Solve for x
    x = 333,989,197.81/17,712.74
  6. Step 6: Final answer
    x = 18,855.87

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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.