Home / 20,230.18-30,263.96-17,486.30

Finding the Fourth Proportional to 20,230.18, 30,263.96 and 17,486.30

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Solution

The fourth proportional to 20,230.18, 30,263.96 and 17,486.30 is: 26,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.18 : 30,263.96 = 17,486.30 : x
  2. Step 2: Convert to fraction form
    20,230.18/30,263.96 = 17,486.30/x
  3. Step 3: Cross multiply
    20,230.18x = 30,263.96 × 17,486.30
  4. Step 4: Simplify right side
    20,230.18x = 529,204,683.75
  5. Step 5: Solve for x
    x = 529,204,683.75/20,230.18
  6. Step 6: Final answer
    x = 26,159.17

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1.5x scale

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.