Home / 16,015.90-24,004.65-8,220.70

Finding the Fourth Proportional to 16,015.90, 24,004.65 and 8,220.70

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Solution

The fourth proportional to 16,015.90, 24,004.65 and 8,220.70 is: 12,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.90 : 24,004.65 = 8,220.70 : x
  2. Step 2: Convert to fraction form
    16,015.90/24,004.65 = 8,220.70/x
  3. Step 3: Cross multiply
    16,015.90x = 24,004.65 × 8,220.70
  4. Step 4: Simplify right side
    16,015.90x = 197,335,026.26
  5. Step 5: Solve for x
    x = 197,335,026.26/16,015.90
  6. Step 6: Final answer
    x = 12,321.19

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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.