Home / 19,837.80-27,376.16-10,885.34

Finding the Fourth Proportional to 19,837.80, 27,376.16 and 10,885.34

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Solution

The fourth proportional to 19,837.80, 27,376.16 and 10,885.34 is: 15,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.80 : 27,376.16 = 10,885.34 : x
  2. Step 2: Convert to fraction form
    19,837.80/27,376.16 = 10,885.34/x
  3. Step 3: Cross multiply
    19,837.80x = 27,376.16 × 10,885.34
  4. Step 4: Simplify right side
    19,837.80x = 297,998,618.19
  5. Step 5: Solve for x
    x = 297,998,618.19/19,837.80
  6. Step 6: Final answer
    x = 15,021.76

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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.