Home / 14,657.48-20,228.64-8,371.88

Finding the Fourth Proportional to 14,657.48, 20,228.64 and 8,371.88

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Solution

The fourth proportional to 14,657.48, 20,228.64 and 8,371.88 is: 11,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.48 : 20,228.64 = 8,371.88 : x
  2. Step 2: Convert to fraction form
    14,657.48/20,228.64 = 8,371.88/x
  3. Step 3: Cross multiply
    14,657.48x = 20,228.64 × 8,371.88
  4. Step 4: Simplify right side
    14,657.48x = 169,351,746.64
  5. Step 5: Solve for x
    x = 169,351,746.64/14,657.48
  6. Step 6: Final answer
    x = 11,553.95

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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.