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Finding the Fourth Proportional to 11,953.52, 16,500.49 and 8,977.99

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Solution

The fourth proportional to 11,953.52, 16,500.49 and 8,977.99 is: 12,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.52 : 16,500.49 = 8,977.99 : x
  2. Step 2: Convert to fraction form
    11,953.52/16,500.49 = 8,977.99/x
  3. Step 3: Cross multiply
    11,953.52x = 16,500.49 × 8,977.99
  4. Step 4: Simplify right side
    11,953.52x = 148,141,170.52
  5. Step 5: Solve for x
    x = 148,141,170.52/11,953.52
  6. Step 6: Final answer
    x = 12,393.10

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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.