Home / 19,881.87-27,437.04-10,930.29

Finding the Fourth Proportional to 19,881.87, 27,437.04 and 10,930.29

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Solution

The fourth proportional to 19,881.87, 27,437.04 and 10,930.29 is: 15,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.87 : 27,437.04 = 10,930.29 : x
  2. Step 2: Convert to fraction form
    19,881.87/27,437.04 = 10,930.29/x
  3. Step 3: Cross multiply
    19,881.87x = 27,437.04 × 10,930.29
  4. Step 4: Simplify right side
    19,881.87x = 299,894,803.94
  5. Step 5: Solve for x
    x = 299,894,803.94/19,881.87
  6. Step 6: Final answer
    x = 15,083.83

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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.