Home / 10,626.75-15,938.81-4,385.95

Finding the Fourth Proportional to 10,626.75, 15,938.81 and 4,385.95

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Solution

The fourth proportional to 10,626.75, 15,938.81 and 4,385.95 is: 6,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.75 : 15,938.81 = 4,385.95 : x
  2. Step 2: Convert to fraction form
    10,626.75/15,938.81 = 4,385.95/x
  3. Step 3: Cross multiply
    10,626.75x = 15,938.81 × 4,385.95
  4. Step 4: Simplify right side
    10,626.75x = 69,906,801.79
  5. Step 5: Solve for x
    x = 69,906,801.79/10,626.75
  6. Step 6: Final answer
    x = 6,578.38

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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.