Home / 13,423.76-20,135.44-4,537.19

Finding the Fourth Proportional to 13,423.76, 20,135.44 and 4,537.19

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Solution

The fourth proportional to 13,423.76, 20,135.44 and 4,537.19 is: 6,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.76 : 20,135.44 = 4,537.19 : x
  2. Step 2: Convert to fraction form
    13,423.76/20,135.44 = 4,537.19/x
  3. Step 3: Cross multiply
    13,423.76x = 20,135.44 × 4,537.19
  4. Step 4: Simplify right side
    13,423.76x = 91,358,317.01
  5. Step 5: Solve for x
    x = 91,358,317.01/13,423.76
  6. Step 6: Final answer
    x = 6,805.72

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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.