Home / 16,188.24-22,339.44-9,018.15

Finding the Fourth Proportional to 16,188.24, 22,339.44 and 9,018.15

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Solution

The fourth proportional to 16,188.24, 22,339.44 and 9,018.15 is: 12,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.24 : 22,339.44 = 9,018.15 : x
  2. Step 2: Convert to fraction form
    16,188.24/22,339.44 = 9,018.15/x
  3. Step 3: Cross multiply
    16,188.24x = 22,339.44 × 9,018.15
  4. Step 4: Simplify right side
    16,188.24x = 201,460,385.70
  5. Step 5: Solve for x
    x = 201,460,385.70/16,188.24
  6. Step 6: Final answer
    x = 12,444.86

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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.