Home / 14,490.19-19,996.66-8,440.27

Finding the Fourth Proportional to 14,490.19, 19,996.66 and 8,440.27

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Solution

The fourth proportional to 14,490.19, 19,996.66 and 8,440.27 is: 11,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.19 : 19,996.66 = 8,440.27 : x
  2. Step 2: Convert to fraction form
    14,490.19/19,996.66 = 8,440.27/x
  3. Step 3: Cross multiply
    14,490.19x = 19,996.66 × 8,440.27
  4. Step 4: Simplify right side
    14,490.19x = 168,777,207.55
  5. Step 5: Solve for x
    x = 168,777,207.55/14,490.19
  6. Step 6: Final answer
    x = 11,647.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.