Home / 20,009.02-27,612.08-11,056.90

Finding the Fourth Proportional to 20,009.02, 27,612.08 and 11,056.90

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Solution

The fourth proportional to 20,009.02, 27,612.08 and 11,056.90 is: 15,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.02 : 27,612.08 = 11,056.90 : x
  2. Step 2: Convert to fraction form
    20,009.02/27,612.08 = 11,056.90/x
  3. Step 3: Cross multiply
    20,009.02x = 27,612.08 × 11,056.90
  4. Step 4: Simplify right side
    20,009.02x = 305,304,007.35
  5. Step 5: Solve for x
    x = 305,304,007.35/20,009.02
  6. Step 6: Final answer
    x = 15,258.32

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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.