Home / 12,210.36-16,850.22-6,905.16

Finding the Fourth Proportional to 12,210.36, 16,850.22 and 6,905.16

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Solution

The fourth proportional to 12,210.36, 16,850.22 and 6,905.16 is: 9,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.36 : 16,850.22 = 6,905.16 : x
  2. Step 2: Convert to fraction form
    12,210.36/16,850.22 = 6,905.16/x
  3. Step 3: Cross multiply
    12,210.36x = 16,850.22 × 6,905.16
  4. Step 4: Simplify right side
    12,210.36x = 116,353,465.14
  5. Step 5: Solve for x
    x = 116,353,465.14/12,210.36
  6. Step 6: Final answer
    x = 9,529.08

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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.