Home / 13,569.86-20,354.88-3,710.18

Finding the Fourth Proportional to 13,569.86, 20,354.88 and 3,710.18

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Solution

The fourth proportional to 13,569.86, 20,354.88 and 3,710.18 is: 5,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.86 : 20,354.88 = 3,710.18 : x
  2. Step 2: Convert to fraction form
    13,569.86/20,354.88 = 3,710.18/x
  3. Step 3: Cross multiply
    13,569.86x = 20,354.88 × 3,710.18
  4. Step 4: Simplify right side
    13,569.86x = 75,520,268.68
  5. Step 5: Solve for x
    x = 75,520,268.68/13,569.86
  6. Step 6: Final answer
    x = 5,565.29

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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.