Home / 14,247.72-21,374.70-5,486.76

Finding the Fourth Proportional to 14,247.72, 21,374.70 and 5,486.76

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Solution

The fourth proportional to 14,247.72, 21,374.70 and 5,486.76 is: 8,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.72 : 21,374.70 = 5,486.76 : x
  2. Step 2: Convert to fraction form
    14,247.72/21,374.70 = 5,486.76/x
  3. Step 3: Cross multiply
    14,247.72x = 21,374.70 × 5,486.76
  4. Step 4: Simplify right side
    14,247.72x = 117,277,848.97
  5. Step 5: Solve for x
    x = 117,277,848.97/14,247.72
  6. Step 6: Final answer
    x = 8,231.34

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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.