Home / 18,535.35-25,578.30-10,359.02

Finding the Fourth Proportional to 18,535.35, 25,578.30 and 10,359.02

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Solution

The fourth proportional to 18,535.35, 25,578.30 and 10,359.02 is: 14,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.35 : 25,578.30 = 10,359.02 : x
  2. Step 2: Convert to fraction form
    18,535.35/25,578.30 = 10,359.02/x
  3. Step 3: Cross multiply
    18,535.35x = 25,578.30 × 10,359.02
  4. Step 4: Simplify right side
    18,535.35x = 264,966,121.27
  5. Step 5: Solve for x
    x = 264,966,121.27/18,535.35
  6. Step 6: Final answer
    x = 14,295.18

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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.