Home / 12,018.44-16,572.72-8,247.13

Finding the Fourth Proportional to 12,018.44, 16,572.72 and 8,247.13

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Solution

The fourth proportional to 12,018.44, 16,572.72 and 8,247.13 is: 11,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.44 : 16,572.72 = 8,247.13 : x
  2. Step 2: Convert to fraction form
    12,018.44/16,572.72 = 8,247.13/x
  3. Step 3: Cross multiply
    12,018.44x = 16,572.72 × 8,247.13
  4. Step 4: Simplify right side
    12,018.44x = 136,677,376.29
  5. Step 5: Solve for x
    x = 136,677,376.29/12,018.44
  6. Step 6: Final answer
    x = 11,372.31

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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.