Home / 26,130.97-39,199.05-8,357.17

Finding the Fourth Proportional to 26,130.97, 39,199.05 and 8,357.17

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Solution

The fourth proportional to 26,130.97, 39,199.05 and 8,357.17 is: 12,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.97 : 39,199.05 = 8,357.17 : x
  2. Step 2: Convert to fraction form
    26,130.97/39,199.05 = 8,357.17/x
  3. Step 3: Cross multiply
    26,130.97x = 39,199.05 × 8,357.17
  4. Step 4: Simplify right side
    26,130.97x = 327,592,928.69
  5. Step 5: Solve for x
    x = 327,592,928.69/26,130.97
  6. Step 6: Final answer
    x = 12,536.58

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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.