Home / 20,339.39-30,492.68-11,562.23

Finding the Fourth Proportional to 20,339.39, 30,492.68 and 11,562.23

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Solution

The fourth proportional to 20,339.39, 30,492.68 and 11,562.23 is: 17,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.39 : 30,492.68 = 11,562.23 : x
  2. Step 2: Convert to fraction form
    20,339.39/30,492.68 = 11,562.23/x
  3. Step 3: Cross multiply
    20,339.39x = 30,492.68 × 11,562.23
  4. Step 4: Simplify right side
    20,339.39x = 352,563,397.90
  5. Step 5: Solve for x
    x = 352,563,397.90/20,339.39
  6. Step 6: Final answer
    x = 17,334.02

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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.