Home / 13,941.87-20,888.51-11,616.81

Finding the Fourth Proportional to 13,941.87, 20,888.51 and 11,616.81

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Solution

The fourth proportional to 13,941.87, 20,888.51 and 11,616.81 is: 17,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.87 : 20,888.51 = 11,616.81 : x
  2. Step 2: Convert to fraction form
    13,941.87/20,888.51 = 11,616.81/x
  3. Step 3: Cross multiply
    13,941.87x = 20,888.51 × 11,616.81
  4. Step 4: Simplify right side
    13,941.87x = 242,657,793.77
  5. Step 5: Solve for x
    x = 242,657,793.77/13,941.87
  6. Step 6: Final answer
    x = 17,404.97

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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.