Home / 18,711.05-25,822.53-10,752.80

Finding the Fourth Proportional to 18,711.05, 25,822.53 and 10,752.80

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Solution

The fourth proportional to 18,711.05, 25,822.53 and 10,752.80 is: 14,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.05 : 25,822.53 = 10,752.80 : x
  2. Step 2: Convert to fraction form
    18,711.05/25,822.53 = 10,752.80/x
  3. Step 3: Cross multiply
    18,711.05x = 25,822.53 × 10,752.80
  4. Step 4: Simplify right side
    18,711.05x = 277,664,371.47
  5. Step 5: Solve for x
    x = 277,664,371.47/18,711.05
  6. Step 6: Final answer
    x = 14,839.60

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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.