Home / 13,277.12-19,952.12-12,410.21

Finding the Fourth Proportional to 13,277.12, 19,952.12 and 12,410.21

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Solution

The fourth proportional to 13,277.12, 19,952.12 and 12,410.21 is: 18,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.12 : 19,952.12 = 12,410.21 : x
  2. Step 2: Convert to fraction form
    13,277.12/19,952.12 = 12,410.21/x
  3. Step 3: Cross multiply
    13,277.12x = 19,952.12 × 12,410.21
  4. Step 4: Simplify right side
    13,277.12x = 247,610,080.05
  5. Step 5: Solve for x
    x = 247,610,080.05/13,277.12
  6. Step 6: Final answer
    x = 18,649.39

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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.