Home / 12,448.28-18,534.22-12,273.93

Finding the Fourth Proportional to 12,448.28, 18,534.22 and 12,273.93

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Solution

The fourth proportional to 12,448.28, 18,534.22 and 12,273.93 is: 18,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.28 : 18,534.22 = 12,273.93 : x
  2. Step 2: Convert to fraction form
    12,448.28/18,534.22 = 12,273.93/x
  3. Step 3: Cross multiply
    12,448.28x = 18,534.22 × 12,273.93
  4. Step 4: Simplify right side
    12,448.28x = 227,487,688.20
  5. Step 5: Solve for x
    x = 227,487,688.20/12,448.28
  6. Step 6: Final answer
    x = 18,274.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.