Home / 14,392.32-19,857.96-8,104.70

Finding the Fourth Proportional to 14,392.32, 19,857.96 and 8,104.70

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Solution

The fourth proportional to 14,392.32, 19,857.96 and 8,104.70 is: 11,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.32 : 19,857.96 = 8,104.70 : x
  2. Step 2: Convert to fraction form
    14,392.32/19,857.96 = 8,104.70/x
  3. Step 3: Cross multiply
    14,392.32x = 19,857.96 × 8,104.70
  4. Step 4: Simplify right side
    14,392.32x = 160,942,808.41
  5. Step 5: Solve for x
    x = 160,942,808.41/14,392.32
  6. Step 6: Final answer
    x = 11,182.55

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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.