Home / 26,299.81-39,461.91-11,506.78

Finding the Fourth Proportional to 26,299.81, 39,461.91 and 11,506.78

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Solution

The fourth proportional to 26,299.81, 39,461.91 and 11,506.78 is: 17,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.81 : 39,461.91 = 11,506.78 : x
  2. Step 2: Convert to fraction form
    26,299.81/39,461.91 = 11,506.78/x
  3. Step 3: Cross multiply
    26,299.81x = 39,461.91 × 11,506.78
  4. Step 4: Simplify right side
    26,299.81x = 454,079,516.75
  5. Step 5: Solve for x
    x = 454,079,516.75/26,299.81
  6. Step 6: Final answer
    x = 17,265.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.