Home / 13,326.40-19,989.60-5,535.82

Finding the Fourth Proportional to 13,326.40, 19,989.60 and 5,535.82

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Solution

The fourth proportional to 13,326.40, 19,989.60 and 5,535.82 is: 8,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.40 : 19,989.60 = 5,535.82 : x
  2. Step 2: Convert to fraction form
    13,326.40/19,989.60 = 5,535.82/x
  3. Step 3: Cross multiply
    13,326.40x = 19,989.60 × 5,535.82
  4. Step 4: Simplify right side
    13,326.40x = 110,658,827.47
  5. Step 5: Solve for x
    x = 110,658,827.47/13,326.40
  6. Step 6: Final answer
    x = 8,303.73

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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.