Home / 14,141.17-21,212.06-4,280.44

Finding the Fourth Proportional to 14,141.17, 21,212.06 and 4,280.44

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Solution

The fourth proportional to 14,141.17, 21,212.06 and 4,280.44 is: 6,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.17 : 21,212.06 = 4,280.44 : x
  2. Step 2: Convert to fraction form
    14,141.17/21,212.06 = 4,280.44/x
  3. Step 3: Cross multiply
    14,141.17x = 21,212.06 × 4,280.44
  4. Step 4: Simplify right side
    14,141.17x = 90,796,950.11
  5. Step 5: Solve for x
    x = 90,796,950.11/14,141.17
  6. Step 6: Final answer
    x = 6,420.75

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Double scale
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Similar ratio
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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.