Home / 13,954.14-20,931.18-3,565.86

Finding the Fourth Proportional to 13,954.14, 20,931.18 and 3,565.86

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Solution

The fourth proportional to 13,954.14, 20,931.18 and 3,565.86 is: 5,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.14 : 20,931.18 = 3,565.86 : x
  2. Step 2: Convert to fraction form
    13,954.14/20,931.18 = 3,565.86/x
  3. Step 3: Cross multiply
    13,954.14x = 20,931.18 × 3,565.86
  4. Step 4: Simplify right side
    13,954.14x = 74,637,657.51
  5. Step 5: Solve for x
    x = 74,637,657.51/13,954.14
  6. Step 6: Final answer
    x = 5,348.78

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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.