Home / 12,801.06-19,214.05-9,789.08

Finding the Fourth Proportional to 12,801.06, 19,214.05 and 9,789.08

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Solution

The fourth proportional to 12,801.06, 19,214.05 and 9,789.08 is: 14,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.06 : 19,214.05 = 9,789.08 : x
  2. Step 2: Convert to fraction form
    12,801.06/19,214.05 = 9,789.08/x
  3. Step 3: Cross multiply
    12,801.06x = 19,214.05 × 9,789.08
  4. Step 4: Simplify right side
    12,801.06x = 188,087,872.57
  5. Step 5: Solve for x
    x = 188,087,872.57/12,801.06
  6. Step 6: Final answer
    x = 14,693.15

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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.