Home / 17,428.40-26,155.76-8,074.98

Finding the Fourth Proportional to 17,428.40, 26,155.76 and 8,074.98

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Solution

The fourth proportional to 17,428.40, 26,155.76 and 8,074.98 is: 12,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.40 : 26,155.76 = 8,074.98 : x
  2. Step 2: Convert to fraction form
    17,428.40/26,155.76 = 8,074.98/x
  3. Step 3: Cross multiply
    17,428.40x = 26,155.76 × 8,074.98
  4. Step 4: Simplify right side
    17,428.40x = 211,207,238.88
  5. Step 5: Solve for x
    x = 211,207,238.88/17,428.40
  6. Step 6: Final answer
    x = 12,118.57

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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.