Home / 20,258.83-27,957.12-11,306.23

Finding the Fourth Proportional to 20,258.83, 27,957.12 and 11,306.23

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Solution

The fourth proportional to 20,258.83, 27,957.12 and 11,306.23 is: 15,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.83 : 27,957.12 = 11,306.23 : x
  2. Step 2: Convert to fraction form
    20,258.83/27,957.12 = 11,306.23/x
  3. Step 3: Cross multiply
    20,258.83x = 27,957.12 × 11,306.23
  4. Step 4: Simplify right side
    20,258.83x = 316,089,628.86
  5. Step 5: Solve for x
    x = 316,089,628.86/20,258.83
  6. Step 6: Final answer
    x = 15,602.56

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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.