Home / 18,834.20-25,994.10-10,875.80

Finding the Fourth Proportional to 18,834.20, 25,994.10 and 10,875.80

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Solution

The fourth proportional to 18,834.20, 25,994.10 and 10,875.80 is: 15,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.20 : 25,994.10 = 10,875.80 : x
  2. Step 2: Convert to fraction form
    18,834.20/25,994.10 = 10,875.80/x
  3. Step 3: Cross multiply
    18,834.20x = 25,994.10 × 10,875.80
  4. Step 4: Simplify right side
    18,834.20x = 282,706,632.78
  5. Step 5: Solve for x
    x = 282,706,632.78/18,834.20
  6. Step 6: Final answer
    x = 15,010.28

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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.