Home / 13,933.22-19,227.80-7,559.78

Finding the Fourth Proportional to 13,933.22, 19,227.80 and 7,559.78

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Solution

The fourth proportional to 13,933.22, 19,227.80 and 7,559.78 is: 10,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.22 : 19,227.80 = 7,559.78 : x
  2. Step 2: Convert to fraction form
    13,933.22/19,227.80 = 7,559.78/x
  3. Step 3: Cross multiply
    13,933.22x = 19,227.80 × 7,559.78
  4. Step 4: Simplify right side
    13,933.22x = 145,357,926.28
  5. Step 5: Solve for x
    x = 145,357,926.28/13,933.22
  6. Step 6: Final answer
    x = 10,432.48

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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.