Home / 18,869.66-26,066.71-17,873.21

Finding the Fourth Proportional to 18,869.66, 26,066.71 and 17,873.21

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Solution

The fourth proportional to 18,869.66, 26,066.71 and 17,873.21 is: 24,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.66 : 26,066.71 = 17,873.21 : x
  2. Step 2: Convert to fraction form
    18,869.66/26,066.71 = 17,873.21/x
  3. Step 3: Cross multiply
    18,869.66x = 26,066.71 × 17,873.21
  4. Step 4: Simplify right side
    18,869.66x = 465,895,781.84
  5. Step 5: Solve for x
    x = 465,895,781.84/18,869.66
  6. Step 6: Final answer
    x = 24,690.21

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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.