Home / 14,863.28-20,511.48-8,148.74

Finding the Fourth Proportional to 14,863.28, 20,511.48 and 8,148.74

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Solution

The fourth proportional to 14,863.28, 20,511.48 and 8,148.74 is: 11,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.28 : 20,511.48 = 8,148.74 : x
  2. Step 2: Convert to fraction form
    14,863.28/20,511.48 = 8,148.74/x
  3. Step 3: Cross multiply
    14,863.28x = 20,511.48 × 8,148.74
  4. Step 4: Simplify right side
    14,863.28x = 167,142,686.23
  5. Step 5: Solve for x
    x = 167,142,686.23/14,863.28
  6. Step 6: Final answer
    x = 11,245.34

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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.