Home / 18,153.90-25,048.29-10,983.64

Finding the Fourth Proportional to 18,153.90, 25,048.29 and 10,983.64

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Solution

The fourth proportional to 18,153.90, 25,048.29 and 10,983.64 is: 15,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.90 : 25,048.29 = 10,983.64 : x
  2. Step 2: Convert to fraction form
    18,153.90/25,048.29 = 10,983.64/x
  3. Step 3: Cross multiply
    18,153.90x = 25,048.29 × 10,983.64
  4. Step 4: Simplify right side
    18,153.90x = 275,121,337.35
  5. Step 5: Solve for x
    x = 275,121,337.35/18,153.90
  6. Step 6: Final answer
    x = 15,154.94

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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.