Home / 12,551.21-18,826.93-4,117.59

Finding the Fourth Proportional to 12,551.21, 18,826.93 and 4,117.59

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Solution

The fourth proportional to 12,551.21, 18,826.93 and 4,117.59 is: 6,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.21 : 18,826.93 = 4,117.59 : x
  2. Step 2: Convert to fraction form
    12,551.21/18,826.93 = 4,117.59/x
  3. Step 3: Cross multiply
    12,551.21x = 18,826.93 × 4,117.59
  4. Step 4: Simplify right side
    12,551.21x = 77,521,578.70
  5. Step 5: Solve for x
    x = 77,521,578.70/12,551.21
  6. Step 6: Final answer
    x = 6,176.42

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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.