Home / 12,347.26-18,522.33-4,339.57

Finding the Fourth Proportional to 12,347.26, 18,522.33 and 4,339.57

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Solution

The fourth proportional to 12,347.26, 18,522.33 and 4,339.57 is: 6,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.26 : 18,522.33 = 4,339.57 : x
  2. Step 2: Convert to fraction form
    12,347.26/18,522.33 = 4,339.57/x
  3. Step 3: Cross multiply
    12,347.26x = 18,522.33 × 4,339.57
  4. Step 4: Simplify right side
    12,347.26x = 80,378,901.29
  5. Step 5: Solve for x
    x = 80,378,901.29/12,347.26
  6. Step 6: Final answer
    x = 6,509.86

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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.