Home / 13,273.12-19,946.15-12,406.24

Finding the Fourth Proportional to 13,273.12, 19,946.15 and 12,406.24

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Solution

The fourth proportional to 13,273.12, 19,946.15 and 12,406.24 is: 18,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.12 : 19,946.15 = 12,406.24 : x
  2. Step 2: Convert to fraction form
    13,273.12/19,946.15 = 12,406.24/x
  3. Step 3: Cross multiply
    13,273.12x = 19,946.15 × 12,406.24
  4. Step 4: Simplify right side
    13,273.12x = 247,456,723.98
  5. Step 5: Solve for x
    x = 247,456,723.98/13,273.12
  6. Step 6: Final answer
    x = 18,643.45

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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.