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Finding the Fourth Proportional to 15,977.32, 22,048.02 and 8,903.88

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Solution

The fourth proportional to 15,977.32, 22,048.02 and 8,903.88 is: 12,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.32 : 22,048.02 = 8,903.88 : x
  2. Step 2: Convert to fraction form
    15,977.32/22,048.02 = 8,903.88/x
  3. Step 3: Cross multiply
    15,977.32x = 22,048.02 × 8,903.88
  4. Step 4: Simplify right side
    15,977.32x = 196,312,924.32
  5. Step 5: Solve for x
    x = 196,312,924.32/15,977.32
  6. Step 6: Final answer
    x = 12,286.97

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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.