Home / 12,084.99-16,677.54-6,780.17

Finding the Fourth Proportional to 12,084.99, 16,677.54 and 6,780.17

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Solution

The fourth proportional to 12,084.99, 16,677.54 and 6,780.17 is: 9,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.99 : 16,677.54 = 6,780.17 : x
  2. Step 2: Convert to fraction form
    12,084.99/16,677.54 = 6,780.17/x
  3. Step 3: Cross multiply
    12,084.99x = 16,677.54 × 6,780.17
  4. Step 4: Simplify right side
    12,084.99x = 113,076,472.99
  5. Step 5: Solve for x
    x = 113,076,472.99/12,084.99
  6. Step 6: Final answer
    x = 9,356.77

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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.