Home / 14,088.72-21,132.60-4,227.60

Finding the Fourth Proportional to 14,088.72, 21,132.60 and 4,227.60

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Solution

The fourth proportional to 14,088.72, 21,132.60 and 4,227.60 is: 6,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.72 : 21,132.60 = 4,227.60 : x
  2. Step 2: Convert to fraction form
    14,088.72/21,132.60 = 4,227.60/x
  3. Step 3: Cross multiply
    14,088.72x = 21,132.60 × 4,227.60
  4. Step 4: Simplify right side
    14,088.72x = 89,340,179.76
  5. Step 5: Solve for x
    x = 89,340,179.76/14,088.72
  6. Step 6: Final answer
    x = 6,341.26

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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.