Home / 18,807.26-28,213.31-5,660.96

Finding the Fourth Proportional to 18,807.26, 28,213.31 and 5,660.96

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Solution

The fourth proportional to 18,807.26, 28,213.31 and 5,660.96 is: 8,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.26 : 28,213.31 = 5,660.96 : x
  2. Step 2: Convert to fraction form
    18,807.26/28,213.31 = 5,660.96/x
  3. Step 3: Cross multiply
    18,807.26x = 28,213.31 × 5,660.96
  4. Step 4: Simplify right side
    18,807.26x = 159,714,292.46
  5. Step 5: Solve for x
    x = 159,714,292.46/18,807.26
  6. Step 6: Final answer
    x = 8,492.16

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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.