Home / 18,699.60-28,055.22-5,552.04

Finding the Fourth Proportional to 18,699.60, 28,055.22 and 5,552.04

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Solution

The fourth proportional to 18,699.60, 28,055.22 and 5,552.04 is: 8,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.60 : 28,055.22 = 5,552.04 : x
  2. Step 2: Convert to fraction form
    18,699.60/28,055.22 = 5,552.04/x
  3. Step 3: Cross multiply
    18,699.60x = 28,055.22 × 5,552.04
  4. Step 4: Simplify right side
    18,699.60x = 155,763,703.65
  5. Step 5: Solve for x
    x = 155,763,703.65/18,699.60
  6. Step 6: Final answer
    x = 8,329.79

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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.