Home / 20,012.49-27,616.02-11,508.63

Finding the Fourth Proportional to 20,012.49, 27,616.02 and 11,508.63

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Solution

The fourth proportional to 20,012.49, 27,616.02 and 11,508.63 is: 15,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.49 : 27,616.02 = 11,508.63 : x
  2. Step 2: Convert to fraction form
    20,012.49/27,616.02 = 11,508.63/x
  3. Step 3: Cross multiply
    20,012.49x = 27,616.02 × 11,508.63
  4. Step 4: Simplify right side
    20,012.49x = 317,822,556.25
  5. Step 5: Solve for x
    x = 317,822,556.25/20,012.49
  6. Step 6: Final answer
    x = 15,881.21

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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.