Home / 18,538.04-25,580.12-10,578.18

Finding the Fourth Proportional to 18,538.04, 25,580.12 and 10,578.18

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Solution

The fourth proportional to 18,538.04, 25,580.12 and 10,578.18 is: 14,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.04 : 25,580.12 = 10,578.18 : x
  2. Step 2: Convert to fraction form
    18,538.04/25,580.12 = 10,578.18/x
  3. Step 3: Cross multiply
    18,538.04x = 25,580.12 × 10,578.18
  4. Step 4: Simplify right side
    18,538.04x = 270,591,113.78
  5. Step 5: Solve for x
    x = 270,591,113.78/18,538.04
  6. Step 6: Final answer
    x = 14,596.53

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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.