Home / 18,497.16-25,528.92-11,785.72

Finding the Fourth Proportional to 18,497.16, 25,528.92 and 11,785.72

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Solution

The fourth proportional to 18,497.16, 25,528.92 and 11,785.72 is: 16,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.16 : 25,528.92 = 11,785.72 : x
  2. Step 2: Convert to fraction form
    18,497.16/25,528.92 = 11,785.72/x
  3. Step 3: Cross multiply
    18,497.16x = 25,528.92 × 11,785.72
  4. Step 4: Simplify right side
    18,497.16x = 300,876,703.02
  5. Step 5: Solve for x
    x = 300,876,703.02/18,497.16
  6. Step 6: Final answer
    x = 16,266.10

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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.