Home / 21,604.92-29,814.66-12,176.52

Finding the Fourth Proportional to 21,604.92, 29,814.66 and 12,176.52

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Solution

The fourth proportional to 21,604.92, 29,814.66 and 12,176.52 is: 16,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.92 : 29,814.66 = 12,176.52 : x
  2. Step 2: Convert to fraction form
    21,604.92/29,814.66 = 12,176.52/x
  3. Step 3: Cross multiply
    21,604.92x = 29,814.66 × 12,176.52
  4. Step 4: Simplify right side
    21,604.92x = 363,038,803.78
  5. Step 5: Solve for x
    x = 363,038,803.78/21,604.92
  6. Step 6: Final answer
    x = 16,803.52

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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.