Home / 14,276.78-21,416.00-5,511.74

Finding the Fourth Proportional to 14,276.78, 21,416.00 and 5,511.74

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Solution

The fourth proportional to 14,276.78, 21,416.00 and 5,511.74 is: 8,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.78 : 21,416.00 = 5,511.74 : x
  2. Step 2: Convert to fraction form
    14,276.78/21,416.00 = 5,511.74/x
  3. Step 3: Cross multiply
    14,276.78x = 21,416.00 × 5,511.74
  4. Step 4: Simplify right side
    14,276.78x = 118,039,330.54
  5. Step 5: Solve for x
    x = 118,039,330.54/14,276.78
  6. Step 6: Final answer
    x = 8,267.93

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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.