Home / 18,868.46-26,038.19-10,911.42

Finding the Fourth Proportional to 18,868.46, 26,038.19 and 10,911.42

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Solution

The fourth proportional to 18,868.46, 26,038.19 and 10,911.42 is: 15,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.46 : 26,038.19 = 10,911.42 : x
  2. Step 2: Convert to fraction form
    18,868.46/26,038.19 = 10,911.42/x
  3. Step 3: Cross multiply
    18,868.46x = 26,038.19 × 10,911.42
  4. Step 4: Simplify right side
    18,868.46x = 284,113,654.41
  5. Step 5: Solve for x
    x = 284,113,654.41/18,868.46
  6. Step 6: Final answer
    x = 15,057.60

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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.