Home / 17,398.60-23,999.12-10,320

Finding the Fourth Proportional to 17,398.60, 23,999.12 and 10,320

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Solution

The fourth proportional to 17,398.60, 23,999.12 and 10,320 is: 14,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.60 : 23,999.12 = 10,320 : x
  2. Step 2: Convert to fraction form
    17,398.60/23,999.12 = 10,320/x
  3. Step 3: Cross multiply
    17,398.60x = 23,999.12 × 10,320
  4. Step 4: Simplify right side
    17,398.60x = 247,670,918.40
  5. Step 5: Solve for x
    x = 247,670,918.40/17,398.60
  6. Step 6: Final answer
    x = 14,235.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.