Home / 18,857.04-28,306.08-10,968.18

Finding the Fourth Proportional to 18,857.04, 28,306.08 and 10,968.18

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Solution

The fourth proportional to 18,857.04, 28,306.08 and 10,968.18 is: 16,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.04 : 28,306.08 = 10,968.18 : x
  2. Step 2: Convert to fraction form
    18,857.04/28,306.08 = 10,968.18/x
  3. Step 3: Cross multiply
    18,857.04x = 28,306.08 × 10,968.18
  4. Step 4: Simplify right side
    18,857.04x = 310,466,180.53
  5. Step 5: Solve for x
    x = 310,466,180.53/18,857.04
  6. Step 6: Final answer
    x = 16,464.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.