Home / 18,683.34-25,781.72-10,508.17

Finding the Fourth Proportional to 18,683.34, 25,781.72 and 10,508.17

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Solution

The fourth proportional to 18,683.34, 25,781.72 and 10,508.17 is: 14,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.34 : 25,781.72 = 10,508.17 : x
  2. Step 2: Convert to fraction form
    18,683.34/25,781.72 = 10,508.17/x
  3. Step 3: Cross multiply
    18,683.34x = 25,781.72 × 10,508.17
  4. Step 4: Simplify right side
    18,683.34x = 270,918,579.66
  5. Step 5: Solve for x
    x = 270,918,579.66/18,683.34
  6. Step 6: Final answer
    x = 14,500.54

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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.