Home / 14,350.08-19,780.56-13,144.80

Finding the Fourth Proportional to 14,350.08, 19,780.56 and 13,144.80

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Solution

The fourth proportional to 14,350.08, 19,780.56 and 13,144.80 is: 18,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.08 : 19,780.56 = 13,144.80 : x
  2. Step 2: Convert to fraction form
    14,350.08/19,780.56 = 13,144.80/x
  3. Step 3: Cross multiply
    14,350.08x = 19,780.56 × 13,144.80
  4. Step 4: Simplify right side
    14,350.08x = 260,011,505.09
  5. Step 5: Solve for x
    x = 260,011,505.09/14,350.08
  6. Step 6: Final answer
    x = 18,119.17

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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.