Home / 17,438.09-26,120.91-8,526.56

Finding the Fourth Proportional to 17,438.09, 26,120.91 and 8,526.56

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Solution

The fourth proportional to 17,438.09, 26,120.91 and 8,526.56 is: 12,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.09 : 26,120.91 = 8,526.56 : x
  2. Step 2: Convert to fraction form
    17,438.09/26,120.91 = 8,526.56/x
  3. Step 3: Cross multiply
    17,438.09x = 26,120.91 × 8,526.56
  4. Step 4: Simplify right side
    17,438.09x = 222,721,506.37
  5. Step 5: Solve for x
    x = 222,721,506.37/17,438.09
  6. Step 6: Final answer
    x = 12,772.13

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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.