Home / 13,326.74-19,990.18-5,535.56

Finding the Fourth Proportional to 13,326.74, 19,990.18 and 5,535.56

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Solution

The fourth proportional to 13,326.74, 19,990.18 and 5,535.56 is: 8,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.74 : 19,990.18 = 5,535.56 : x
  2. Step 2: Convert to fraction form
    13,326.74/19,990.18 = 5,535.56/x
  3. Step 3: Cross multiply
    13,326.74x = 19,990.18 × 5,535.56
  4. Step 4: Simplify right side
    13,326.74x = 110,656,840.80
  5. Step 5: Solve for x
    x = 110,656,840.80/13,326.74
  6. Step 6: Final answer
    x = 8,303.37

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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.