Home / 10,261.67-14,161.10-5,545.95

Finding the Fourth Proportional to 10,261.67, 14,161.10 and 5,545.95

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Solution

The fourth proportional to 10,261.67, 14,161.10 and 5,545.95 is: 7,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.67 : 14,161.10 = 5,545.95 : x
  2. Step 2: Convert to fraction form
    10,261.67/14,161.10 = 5,545.95/x
  3. Step 3: Cross multiply
    10,261.67x = 14,161.10 × 5,545.95
  4. Step 4: Simplify right side
    10,261.67x = 78,536,752.55
  5. Step 5: Solve for x
    x = 78,536,752.55/10,261.67
  6. Step 6: Final answer
    x = 7,653.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.