Home / 9,438.23-13,024.91-5,189.47

Finding the Fourth Proportional to 9,438.23, 13,024.91 and 5,189.47

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Solution

The fourth proportional to 9,438.23, 13,024.91 and 5,189.47 is: 7,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.23 : 13,024.91 = 5,189.47 : x
  2. Step 2: Convert to fraction form
    9,438.23/13,024.91 = 5,189.47/x
  3. Step 3: Cross multiply
    9,438.23x = 13,024.91 × 5,189.47
  4. Step 4: Simplify right side
    9,438.23x = 67,592,379.70
  5. Step 5: Solve for x
    x = 67,592,379.70/9,438.23
  6. Step 6: Final answer
    x = 7,161.55

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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.