Home / 19,187.04-28,781.10-5,336.04

Finding the Fourth Proportional to 19,187.04, 28,781.10 and 5,336.04

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Solution

The fourth proportional to 19,187.04, 28,781.10 and 5,336.04 is: 8,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.04 : 28,781.10 = 5,336.04 : x
  2. Step 2: Convert to fraction form
    19,187.04/28,781.10 = 5,336.04/x
  3. Step 3: Cross multiply
    19,187.04x = 28,781.10 × 5,336.04
  4. Step 4: Simplify right side
    19,187.04x = 153,577,100.84
  5. Step 5: Solve for x
    x = 153,577,100.84/19,187.04
  6. Step 6: Final answer
    x = 8,004.21

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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.