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Finding the Fourth Proportional to 9,043.95, 13,577.48 and 8,950.80

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Solution

The fourth proportional to 9,043.95, 13,577.48 and 8,950.80 is: 13,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.95 : 13,577.48 = 8,950.80 : x
  2. Step 2: Convert to fraction form
    9,043.95/13,577.48 = 8,950.80/x
  3. Step 3: Cross multiply
    9,043.95x = 13,577.48 × 8,950.80
  4. Step 4: Simplify right side
    9,043.95x = 121,529,263.23
  5. Step 5: Solve for x
    x = 121,529,263.23/9,043.95
  6. Step 6: Final answer
    x = 13,437.63

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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.