Home / 19,161.03-28,755.52-9,808.88

Finding the Fourth Proportional to 19,161.03, 28,755.52 and 9,808.88

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Solution

The fourth proportional to 19,161.03, 28,755.52 and 9,808.88 is: 14,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.03 : 28,755.52 = 9,808.88 : x
  2. Step 2: Convert to fraction form
    19,161.03/28,755.52 = 9,808.88/x
  3. Step 3: Cross multiply
    19,161.03x = 28,755.52 × 9,808.88
  4. Step 4: Simplify right side
    19,161.03x = 282,059,276.72
  5. Step 5: Solve for x
    x = 282,059,276.72/19,161.03
  6. Step 6: Final answer
    x = 14,720.47

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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.