Home / 19,161.46-28,769.06-9,808.18

Finding the Fourth Proportional to 19,161.46, 28,769.06 and 9,808.18

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Solution

The fourth proportional to 19,161.46, 28,769.06 and 9,808.18 is: 14,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.46 : 28,769.06 = 9,808.18 : x
  2. Step 2: Convert to fraction form
    19,161.46/28,769.06 = 9,808.18/x
  3. Step 3: Cross multiply
    19,161.46x = 28,769.06 × 9,808.18
  4. Step 4: Simplify right side
    19,161.46x = 282,172,118.91
  5. Step 5: Solve for x
    x = 282,172,118.91/19,161.46
  6. Step 6: Final answer
    x = 14,726.02

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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.