Home / 19,808.62-27,335.46-10,855.93

Finding the Fourth Proportional to 19,808.62, 27,335.46 and 10,855.93

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Solution

The fourth proportional to 19,808.62, 27,335.46 and 10,855.93 is: 14,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.62 : 27,335.46 = 10,855.93 : x
  2. Step 2: Convert to fraction form
    19,808.62/27,335.46 = 10,855.93/x
  3. Step 3: Cross multiply
    19,808.62x = 27,335.46 × 10,855.93
  4. Step 4: Simplify right side
    19,808.62x = 296,751,840.28
  5. Step 5: Solve for x
    x = 296,751,840.28/19,808.62
  6. Step 6: Final answer
    x = 14,980.94

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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.