Home / 20,203.02-27,873.62-11,248.77

Finding the Fourth Proportional to 20,203.02, 27,873.62 and 11,248.77

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Solution

The fourth proportional to 20,203.02, 27,873.62 and 11,248.77 is: 15,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.02 : 27,873.62 = 11,248.77 : x
  2. Step 2: Convert to fraction form
    20,203.02/27,873.62 = 11,248.77/x
  3. Step 3: Cross multiply
    20,203.02x = 27,873.62 × 11,248.77
  4. Step 4: Simplify right side
    20,203.02x = 313,544,030.91
  5. Step 5: Solve for x
    x = 313,544,030.91/20,203.02
  6. Step 6: Final answer
    x = 15,519.66

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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.