Home / 18,844.16-28,257.28-7,746.56

Finding the Fourth Proportional to 18,844.16, 28,257.28 and 7,746.56

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Solution

The fourth proportional to 18,844.16, 28,257.28 and 7,746.56 is: 11,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.16 : 28,257.28 = 7,746.56 : x
  2. Step 2: Convert to fraction form
    18,844.16/28,257.28 = 7,746.56/x
  3. Step 3: Cross multiply
    18,844.16x = 28,257.28 × 7,746.56
  4. Step 4: Simplify right side
    18,844.16x = 218,896,714.96
  5. Step 5: Solve for x
    x = 218,896,714.96/18,844.16
  6. Step 6: Final answer
    x = 11,616.16

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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.