Home / 13,337.22-18,404.49-7,368.75

Finding the Fourth Proportional to 13,337.22, 18,404.49 and 7,368.75

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Solution

The fourth proportional to 13,337.22, 18,404.49 and 7,368.75 is: 10,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.22 : 18,404.49 = 7,368.75 : x
  2. Step 2: Convert to fraction form
    13,337.22/18,404.49 = 7,368.75/x
  3. Step 3: Cross multiply
    13,337.22x = 18,404.49 × 7,368.75
  4. Step 4: Simplify right side
    13,337.22x = 135,618,085.69
  5. Step 5: Solve for x
    x = 135,618,085.69/13,337.22
  6. Step 6: Final answer
    x = 10,168.39

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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.