Home / 12,801.03-19,185.13-9,873.18

Finding the Fourth Proportional to 12,801.03, 19,185.13 and 9,873.18

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Solution

The fourth proportional to 12,801.03, 19,185.13 and 9,873.18 is: 14,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.03 : 19,185.13 = 9,873.18 : x
  2. Step 2: Convert to fraction form
    12,801.03/19,185.13 = 9,873.18/x
  3. Step 3: Cross multiply
    12,801.03x = 19,185.13 × 9,873.18
  4. Step 4: Simplify right side
    12,801.03x = 189,418,241.81
  5. Step 5: Solve for x
    x = 189,418,241.81/12,801.03
  6. Step 6: Final answer
    x = 14,797.11

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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.