Home / 12,799.02-19,190.33-8,839.19

Finding the Fourth Proportional to 12,799.02, 19,190.33 and 8,839.19

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Solution

The fourth proportional to 12,799.02, 19,190.33 and 8,839.19 is: 13,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.02 : 19,190.33 = 8,839.19 : x
  2. Step 2: Convert to fraction form
    12,799.02/19,190.33 = 8,839.19/x
  3. Step 3: Cross multiply
    12,799.02x = 19,190.33 × 8,839.19
  4. Step 4: Simplify right side
    12,799.02x = 169,627,009.96
  5. Step 5: Solve for x
    x = 169,627,009.96/12,799.02
  6. Step 6: Final answer
    x = 13,253.12

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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.