Home / 13,441.87-18,519.53-10,079.43

Finding the Fourth Proportional to 13,441.87, 18,519.53 and 10,079.43

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Solution

The fourth proportional to 13,441.87, 18,519.53 and 10,079.43 is: 13,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.87 : 18,519.53 = 10,079.43 : x
  2. Step 2: Convert to fraction form
    13,441.87/18,519.53 = 10,079.43/x
  3. Step 3: Cross multiply
    13,441.87x = 18,519.53 × 10,079.43
  4. Step 4: Simplify right side
    13,441.87x = 186,666,306.27
  5. Step 5: Solve for x
    x = 186,666,306.27/13,441.87
  6. Step 6: Final answer
    x = 13,886.93

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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.