Home / 13,607.38-20,405.53-4,244.25

Finding the Fourth Proportional to 13,607.38, 20,405.53 and 4,244.25

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Solution

The fourth proportional to 13,607.38, 20,405.53 and 4,244.25 is: 6,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.38 : 20,405.53 = 4,244.25 : x
  2. Step 2: Convert to fraction form
    13,607.38/20,405.53 = 4,244.25/x
  3. Step 3: Cross multiply
    13,607.38x = 20,405.53 × 4,244.25
  4. Step 4: Simplify right side
    13,607.38x = 86,606,170.70
  5. Step 5: Solve for x
    x = 86,606,170.70/13,607.38
  6. Step 6: Final answer
    x = 6,364.65

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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.