Home / 16,039.69-22,134.39-8,966.77

Finding the Fourth Proportional to 16,039.69, 22,134.39 and 8,966.77

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Solution

The fourth proportional to 16,039.69, 22,134.39 and 8,966.77 is: 12,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.69 : 22,134.39 = 8,966.77 : x
  2. Step 2: Convert to fraction form
    16,039.69/22,134.39 = 8,966.77/x
  3. Step 3: Cross multiply
    16,039.69x = 22,134.39 × 8,966.77
  4. Step 4: Simplify right side
    16,039.69x = 198,473,984.22
  5. Step 5: Solve for x
    x = 198,473,984.22/16,039.69
  6. Step 6: Final answer
    x = 12,373.93

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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.