Home / 14,261.12-21,470.96-12,356

Finding the Fourth Proportional to 14,261.12, 21,470.96 and 12,356

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Solution

The fourth proportional to 14,261.12, 21,470.96 and 12,356 is: 18,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.12 : 21,470.96 = 12,356 : x
  2. Step 2: Convert to fraction form
    14,261.12/21,470.96 = 12,356/x
  3. Step 3: Cross multiply
    14,261.12x = 21,470.96 × 12,356
  4. Step 4: Simplify right side
    14,261.12x = 265,295,181.76
  5. Step 5: Solve for x
    x = 265,295,181.76/14,261.12
  6. Step 6: Final answer
    x = 18,602.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.