Home / 18,862.14-26,022.69-11,688.78

Finding the Fourth Proportional to 18,862.14, 26,022.69 and 11,688.78

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Solution

The fourth proportional to 18,862.14, 26,022.69 and 11,688.78 is: 16,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.14 : 26,022.69 = 11,688.78 : x
  2. Step 2: Convert to fraction form
    18,862.14/26,022.69 = 11,688.78/x
  3. Step 3: Cross multiply
    18,862.14x = 26,022.69 × 11,688.78
  4. Step 4: Simplify right side
    18,862.14x = 304,173,498.42
  5. Step 5: Solve for x
    x = 304,173,498.42/18,862.14
  6. Step 6: Final answer
    x = 16,126.14

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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.