Home / 13,302.53-18,357.48-8,000.42

Finding the Fourth Proportional to 13,302.53, 18,357.48 and 8,000.42

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Solution

The fourth proportional to 13,302.53, 18,357.48 and 8,000.42 is: 11,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.53 : 18,357.48 = 8,000.42 : x
  2. Step 2: Convert to fraction form
    13,302.53/18,357.48 = 8,000.42/x
  3. Step 3: Cross multiply
    13,302.53x = 18,357.48 × 8,000.42
  4. Step 4: Simplify right side
    13,302.53x = 146,867,458.35
  5. Step 5: Solve for x
    x = 146,867,458.35/13,302.53
  6. Step 6: Final answer
    x = 11,040.57

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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.