Home / 20,294.04-28,005.66-11,341.56

Finding the Fourth Proportional to 20,294.04, 28,005.66 and 11,341.56

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Solution

The fourth proportional to 20,294.04, 28,005.66 and 11,341.56 is: 15,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.04 : 28,005.66 = 11,341.56 : x
  2. Step 2: Convert to fraction form
    20,294.04/28,005.66 = 11,341.56/x
  3. Step 3: Cross multiply
    20,294.04x = 28,005.66 × 11,341.56
  4. Step 4: Simplify right side
    20,294.04x = 317,627,873.23
  5. Step 5: Solve for x
    x = 317,627,873.23/20,294.04
  6. Step 6: Final answer
    x = 15,651.29

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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.