Home / 20,219.13-27,902.02-11,266.44

Finding the Fourth Proportional to 20,219.13, 27,902.02 and 11,266.44

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Solution

The fourth proportional to 20,219.13, 27,902.02 and 11,266.44 is: 15,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.13 : 27,902.02 = 11,266.44 : x
  2. Step 2: Convert to fraction form
    20,219.13/27,902.02 = 11,266.44/x
  3. Step 3: Cross multiply
    20,219.13x = 27,902.02 × 11,266.44
  4. Step 4: Simplify right side
    20,219.13x = 314,356,434.21
  5. Step 5: Solve for x
    x = 314,356,434.21/20,219.13
  6. Step 6: Final answer
    x = 15,547.48

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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.