Home / 18,111.28-27,166.70-4,963.64

Finding the Fourth Proportional to 18,111.28, 27,166.70 and 4,963.64

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Solution

The fourth proportional to 18,111.28, 27,166.70 and 4,963.64 is: 7,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.28 : 27,166.70 = 4,963.64 : x
  2. Step 2: Convert to fraction form
    18,111.28/27,166.70 = 4,963.64/x
  3. Step 3: Cross multiply
    18,111.28x = 27,166.70 × 4,963.64
  4. Step 4: Simplify right side
    18,111.28x = 134,845,718.79
  5. Step 5: Solve for x
    x = 134,845,718.79/18,111.28
  6. Step 6: Final answer
    x = 7,445.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.