Home / 13,294.26-19,945.91-8,358.12

Finding the Fourth Proportional to 13,294.26, 19,945.91 and 8,358.12

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Solution

The fourth proportional to 13,294.26, 19,945.91 and 8,358.12 is: 12,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.26 : 19,945.91 = 8,358.12 : x
  2. Step 2: Convert to fraction form
    13,294.26/19,945.91 = 8,358.12/x
  3. Step 3: Cross multiply
    13,294.26x = 19,945.91 × 8,358.12
  4. Step 4: Simplify right side
    13,294.26x = 166,710,330.18
  5. Step 5: Solve for x
    x = 166,710,330.18/13,294.26
  6. Step 6: Final answer
    x = 12,540.02

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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.