Home / 12,448.08-18,672.12-5,052.66

Finding the Fourth Proportional to 12,448.08, 18,672.12 and 5,052.66

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Solution

The fourth proportional to 12,448.08, 18,672.12 and 5,052.66 is: 7,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.08 : 18,672.12 = 5,052.66 : x
  2. Step 2: Convert to fraction form
    12,448.08/18,672.12 = 5,052.66/x
  3. Step 3: Cross multiply
    12,448.08x = 18,672.12 × 5,052.66
  4. Step 4: Simplify right side
    12,448.08x = 94,343,873.84
  5. Step 5: Solve for x
    x = 94,343,873.84/12,448.08
  6. Step 6: Final answer
    x = 7,578.99

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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.