Home / 12,210-16,852.32-6,905.04

Finding the Fourth Proportional to 12,210, 16,852.32 and 6,905.04

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Solution

The fourth proportional to 12,210, 16,852.32 and 6,905.04 is: 9,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210 : 16,852.32 = 6,905.04 : x
  2. Step 2: Convert to fraction form
    12,210/16,852.32 = 6,905.04/x
  3. Step 3: Cross multiply
    12,210x = 16,852.32 × 6,905.04
  4. Step 4: Simplify right side
    12,210x = 116,365,943.69
  5. Step 5: Solve for x
    x = 116,365,943.69/12,210
  6. Step 6: Final answer
    x = 9,530.38

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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.