Home / 14,818.32-20,449.80-9,786.96

Finding the Fourth Proportional to 14,818.32, 20,449.80 and 9,786.96

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Solution

The fourth proportional to 14,818.32, 20,449.80 and 9,786.96 is: 13,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.32 : 20,449.80 = 9,786.96 : x
  2. Step 2: Convert to fraction form
    14,818.32/20,449.80 = 9,786.96/x
  3. Step 3: Cross multiply
    14,818.32x = 20,449.80 × 9,786.96
  4. Step 4: Simplify right side
    14,818.32x = 200,141,374.61
  5. Step 5: Solve for x
    x = 200,141,374.61/14,818.32
  6. Step 6: Final answer
    x = 13,506.35

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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.