Home / 20,064.16-27,688.92-12,006.10

Finding the Fourth Proportional to 20,064.16, 27,688.92 and 12,006.10

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Solution

The fourth proportional to 20,064.16, 27,688.92 and 12,006.10 is: 16,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.16 : 27,688.92 = 12,006.10 : x
  2. Step 2: Convert to fraction form
    20,064.16/27,688.92 = 12,006.10/x
  3. Step 3: Cross multiply
    20,064.16x = 27,688.92 × 12,006.10
  4. Step 4: Simplify right side
    20,064.16x = 332,435,803.97
  5. Step 5: Solve for x
    x = 332,435,803.97/20,064.16
  6. Step 6: Final answer
    x = 16,568.64

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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.