Home / 20,334.84-28,062.86-11,261.36

Finding the Fourth Proportional to 20,334.84, 28,062.86 and 11,261.36

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Solution

The fourth proportional to 20,334.84, 28,062.86 and 11,261.36 is: 15,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.84 : 28,062.86 = 11,261.36 : x
  2. Step 2: Convert to fraction form
    20,334.84/28,062.86 = 11,261.36/x
  3. Step 3: Cross multiply
    20,334.84x = 28,062.86 × 11,261.36
  4. Step 4: Simplify right side
    20,334.84x = 316,025,772.47
  5. Step 5: Solve for x
    x = 316,025,772.47/20,334.84
  6. Step 6: Final answer
    x = 15,541.10

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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.