Home / 21,360.16-32,029.16-12,006.56

Finding the Fourth Proportional to 21,360.16, 32,029.16 and 12,006.56

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Solution

The fourth proportional to 21,360.16, 32,029.16 and 12,006.56 is: 18,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.16 : 32,029.16 = 12,006.56 : x
  2. Step 2: Convert to fraction form
    21,360.16/32,029.16 = 12,006.56/x
  3. Step 3: Cross multiply
    21,360.16x = 32,029.16 × 12,006.56
  4. Step 4: Simplify right side
    21,360.16x = 384,560,031.29
  5. Step 5: Solve for x
    x = 384,560,031.29/21,360.16
  6. Step 6: Final answer
    x = 18,003.61

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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.