Home / 13,554.29-20,328.12-3,693.62

Finding the Fourth Proportional to 13,554.29, 20,328.12 and 3,693.62

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Solution

The fourth proportional to 13,554.29, 20,328.12 and 3,693.62 is: 5,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.29 : 20,328.12 = 3,693.62 : x
  2. Step 2: Convert to fraction form
    13,554.29/20,328.12 = 3,693.62/x
  3. Step 3: Cross multiply
    13,554.29x = 20,328.12 × 3,693.62
  4. Step 4: Simplify right side
    13,554.29x = 75,084,248.95
  5. Step 5: Solve for x
    x = 75,084,248.95/13,554.29
  6. Step 6: Final answer
    x = 5,539.52

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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.