Home / 13,338.30-20,006.80-5,017.66

Finding the Fourth Proportional to 13,338.30, 20,006.80 and 5,017.66

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Solution

The fourth proportional to 13,338.30, 20,006.80 and 5,017.66 is: 7,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.30 : 20,006.80 = 5,017.66 : x
  2. Step 2: Convert to fraction form
    13,338.30/20,006.80 = 5,017.66/x
  3. Step 3: Cross multiply
    13,338.30x = 20,006.80 × 5,017.66
  4. Step 4: Simplify right side
    13,338.30x = 100,387,320.09
  5. Step 5: Solve for x
    x = 100,387,320.09/13,338.30
  6. Step 6: Final answer
    x = 7,526.25

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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.