Home / 13,818.30-20,727.46-4,458.98

Finding the Fourth Proportional to 13,818.30, 20,727.46 and 4,458.98

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Solution

The fourth proportional to 13,818.30, 20,727.46 and 4,458.98 is: 6,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.30 : 20,727.46 = 4,458.98 : x
  2. Step 2: Convert to fraction form
    13,818.30/20,727.46 = 4,458.98/x
  3. Step 3: Cross multiply
    13,818.30x = 20,727.46 × 4,458.98
  4. Step 4: Simplify right side
    13,818.30x = 92,423,386.98
  5. Step 5: Solve for x
    x = 92,423,386.98/13,818.30
  6. Step 6: Final answer
    x = 6,688.48

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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.