Home / 19,618.42-27,073.10-10,666.15

Finding the Fourth Proportional to 19,618.42, 27,073.10 and 10,666.15

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Solution

The fourth proportional to 19,618.42, 27,073.10 and 10,666.15 is: 14,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.42 : 27,073.10 = 10,666.15 : x
  2. Step 2: Convert to fraction form
    19,618.42/27,073.10 = 10,666.15/x
  3. Step 3: Cross multiply
    19,618.42x = 27,073.10 × 10,666.15
  4. Step 4: Simplify right side
    19,618.42x = 288,765,745.57
  5. Step 5: Solve for x
    x = 288,765,745.57/19,618.42
  6. Step 6: Final answer
    x = 14,719.11

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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.