Home / 18,814.04-28,239.30-10,055.12

Finding the Fourth Proportional to 18,814.04, 28,239.30 and 10,055.12

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Solution

The fourth proportional to 18,814.04, 28,239.30 and 10,055.12 is: 15,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.04 : 28,239.30 = 10,055.12 : x
  2. Step 2: Convert to fraction form
    18,814.04/28,239.30 = 10,055.12/x
  3. Step 3: Cross multiply
    18,814.04x = 28,239.30 × 10,055.12
  4. Step 4: Simplify right side
    18,814.04x = 283,949,550.22
  5. Step 5: Solve for x
    x = 283,949,550.22/18,814.04
  6. Step 6: Final answer
    x = 15,092.43

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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.