Home / 18,333-25,235.28-15,971.04

Finding the Fourth Proportional to 18,333, 25,235.28 and 15,971.04

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Solution

The fourth proportional to 18,333, 25,235.28 and 15,971.04 is: 21,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333 : 25,235.28 = 15,971.04 : x
  2. Step 2: Convert to fraction form
    18,333/25,235.28 = 15,971.04/x
  3. Step 3: Cross multiply
    18,333x = 25,235.28 × 15,971.04
  4. Step 4: Simplify right side
    18,333x = 403,033,666.29
  5. Step 5: Solve for x
    x = 403,033,666.29/18,333
  6. Step 6: Final answer
    x = 21,984.05

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1.5x scale

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.