Home / 13,338.27-18,415.76-8,304.53

Finding the Fourth Proportional to 13,338.27, 18,415.76 and 8,304.53

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Solution

The fourth proportional to 13,338.27, 18,415.76 and 8,304.53 is: 11,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.27 : 18,415.76 = 8,304.53 : x
  2. Step 2: Convert to fraction form
    13,338.27/18,415.76 = 8,304.53/x
  3. Step 3: Cross multiply
    13,338.27x = 18,415.76 × 8,304.53
  4. Step 4: Simplify right side
    13,338.27x = 152,934,097.79
  5. Step 5: Solve for x
    x = 152,934,097.79/13,338.27
  6. Step 6: Final answer
    x = 11,465.81

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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.