Home / 18,864.69-28,297.04-10,087.53

Finding the Fourth Proportional to 18,864.69, 28,297.04 and 10,087.53

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Solution

The fourth proportional to 18,864.69, 28,297.04 and 10,087.53 is: 15,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.69 : 28,297.04 = 10,087.53 : x
  2. Step 2: Convert to fraction form
    18,864.69/28,297.04 = 10,087.53/x
  3. Step 3: Cross multiply
    18,864.69x = 28,297.04 × 10,087.53
  4. Step 4: Simplify right side
    18,864.69x = 285,447,189.47
  5. Step 5: Solve for x
    x = 285,447,189.47/18,864.69
  6. Step 6: Final answer
    x = 15,131.30

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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.