Home / 18,744.04-28,112.82-7,055.20

Finding the Fourth Proportional to 18,744.04, 28,112.82 and 7,055.20

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Solution

The fourth proportional to 18,744.04, 28,112.82 and 7,055.20 is: 10,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.04 : 28,112.82 = 7,055.20 : x
  2. Step 2: Convert to fraction form
    18,744.04/28,112.82 = 7,055.20/x
  3. Step 3: Cross multiply
    18,744.04x = 28,112.82 × 7,055.20
  4. Step 4: Simplify right side
    18,744.04x = 198,341,567.66
  5. Step 5: Solve for x
    x = 198,341,567.66/18,744.04
  6. Step 6: Final answer
    x = 10,581.58

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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.