Home / 13,398.29-20,095.71-3,538.31

Finding the Fourth Proportional to 13,398.29, 20,095.71 and 3,538.31

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Solution

The fourth proportional to 13,398.29, 20,095.71 and 3,538.31 is: 5,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.29 : 20,095.71 = 3,538.31 : x
  2. Step 2: Convert to fraction form
    13,398.29/20,095.71 = 3,538.31/x
  3. Step 3: Cross multiply
    13,398.29x = 20,095.71 × 3,538.31
  4. Step 4: Simplify right side
    13,398.29x = 71,104,851.65
  5. Step 5: Solve for x
    x = 71,104,851.65/13,398.29
  6. Step 6: Final answer
    x = 5,307.01

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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.