Home / 22,476.08-31,018.41-12,919.03

Finding the Fourth Proportional to 22,476.08, 31,018.41 and 12,919.03

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Solution

The fourth proportional to 22,476.08, 31,018.41 and 12,919.03 is: 17,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.08 : 31,018.41 = 12,919.03 : x
  2. Step 2: Convert to fraction form
    22,476.08/31,018.41 = 12,919.03/x
  3. Step 3: Cross multiply
    22,476.08x = 31,018.41 × 12,919.03
  4. Step 4: Simplify right side
    22,476.08x = 400,727,691.80
  5. Step 5: Solve for x
    x = 400,727,691.80/22,476.08
  6. Step 6: Final answer
    x = 17,829.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.