Home / 13,398.16-20,097.42-5,495.19

Finding the Fourth Proportional to 13,398.16, 20,097.42 and 5,495.19

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Solution

The fourth proportional to 13,398.16, 20,097.42 and 5,495.19 is: 8,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.16 : 20,097.42 = 5,495.19 : x
  2. Step 2: Convert to fraction form
    13,398.16/20,097.42 = 5,495.19/x
  3. Step 3: Cross multiply
    13,398.16x = 20,097.42 × 5,495.19
  4. Step 4: Simplify right side
    13,398.16x = 110,439,158.49
  5. Step 5: Solve for x
    x = 110,439,158.49/13,398.16
  6. Step 6: Final answer
    x = 8,242.86

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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.