Home / 18,242.84-25,175.27-10,689.39

Finding the Fourth Proportional to 18,242.84, 25,175.27 and 10,689.39

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Solution

The fourth proportional to 18,242.84, 25,175.27 and 10,689.39 is: 14,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.84 : 25,175.27 = 10,689.39 : x
  2. Step 2: Convert to fraction form
    18,242.84/25,175.27 = 10,689.39/x
  3. Step 3: Cross multiply
    18,242.84x = 25,175.27 × 10,689.39
  4. Step 4: Simplify right side
    18,242.84x = 269,108,306.11
  5. Step 5: Solve for x
    x = 269,108,306.11/18,242.84
  6. Step 6: Final answer
    x = 14,751.45

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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.