Home / 13,448.35-20,158.62-5,126.13

Finding the Fourth Proportional to 13,448.35, 20,158.62 and 5,126.13

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Solution

The fourth proportional to 13,448.35, 20,158.62 and 5,126.13 is: 7,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.35 : 20,158.62 = 5,126.13 : x
  2. Step 2: Convert to fraction form
    13,448.35/20,158.62 = 5,126.13/x
  3. Step 3: Cross multiply
    13,448.35x = 20,158.62 × 5,126.13
  4. Step 4: Simplify right side
    13,448.35x = 103,335,669.16
  5. Step 5: Solve for x
    x = 103,335,669.16/13,448.35
  6. Step 6: Final answer
    x = 7,683.89

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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.