Home / 18,535.40-25,578.88-10,580.20

Finding the Fourth Proportional to 18,535.40, 25,578.88 and 10,580.20

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Solution

The fourth proportional to 18,535.40, 25,578.88 and 10,580.20 is: 14,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.40 : 25,578.88 = 10,580.20 : x
  2. Step 2: Convert to fraction form
    18,535.40/25,578.88 = 10,580.20/x
  3. Step 3: Cross multiply
    18,535.40x = 25,578.88 × 10,580.20
  4. Step 4: Simplify right side
    18,535.40x = 270,629,666.18
  5. Step 5: Solve for x
    x = 270,629,666.18/18,535.40
  6. Step 6: Final answer
    x = 14,600.69

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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.