Home / 11,872.04-16,384.95-6,836.47

Finding the Fourth Proportional to 11,872.04, 16,384.95 and 6,836.47

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Solution

The fourth proportional to 11,872.04, 16,384.95 and 6,836.47 is: 9,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.04 : 16,384.95 = 6,836.47 : x
  2. Step 2: Convert to fraction form
    11,872.04/16,384.95 = 6,836.47/x
  3. Step 3: Cross multiply
    11,872.04x = 16,384.95 × 6,836.47
  4. Step 4: Simplify right side
    11,872.04x = 112,015,178.16
  5. Step 5: Solve for x
    x = 112,015,178.16/11,872.04
  6. Step 6: Final answer
    x = 9,435.21

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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.