Home / 9,385.04-12,950.88-5,193.56

Finding the Fourth Proportional to 9,385.04, 12,950.88 and 5,193.56

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Solution

The fourth proportional to 9,385.04, 12,950.88 and 5,193.56 is: 7,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.04 : 12,950.88 = 5,193.56 : x
  2. Step 2: Convert to fraction form
    9,385.04/12,950.88 = 5,193.56/x
  3. Step 3: Cross multiply
    9,385.04x = 12,950.88 × 5,193.56
  4. Step 4: Simplify right side
    9,385.04x = 67,261,172.33
  5. Step 5: Solve for x
    x = 67,261,172.33/9,385.04
  6. Step 6: Final answer
    x = 7,166.85

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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.