Home / 12,127.69-16,737.17-6,822.90

Finding the Fourth Proportional to 12,127.69, 16,737.17 and 6,822.90

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Solution

The fourth proportional to 12,127.69, 16,737.17 and 6,822.90 is: 9,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.69 : 16,737.17 = 6,822.90 : x
  2. Step 2: Convert to fraction form
    12,127.69/16,737.17 = 6,822.90/x
  3. Step 3: Cross multiply
    12,127.69x = 16,737.17 × 6,822.90
  4. Step 4: Simplify right side
    12,127.69x = 114,196,054.25
  5. Step 5: Solve for x
    x = 114,196,054.25/12,127.69
  6. Step 6: Final answer
    x = 9,416.14

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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.