Home / 13,339.94-20,012.33-4,572.90

Finding the Fourth Proportional to 13,339.94, 20,012.33 and 4,572.90

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Solution

The fourth proportional to 13,339.94, 20,012.33 and 4,572.90 is: 6,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.94 : 20,012.33 = 4,572.90 : x
  2. Step 2: Convert to fraction form
    13,339.94/20,012.33 = 4,572.90/x
  3. Step 3: Cross multiply
    13,339.94x = 20,012.33 × 4,572.90
  4. Step 4: Simplify right side
    13,339.94x = 91,514,395.29
  5. Step 5: Solve for x
    x = 91,514,395.29/13,339.94
  6. Step 6: Final answer
    x = 6,860.18

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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.