Home / 12,114.38-16,717.08-6,809.12

Finding the Fourth Proportional to 12,114.38, 16,717.08 and 6,809.12

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Solution

The fourth proportional to 12,114.38, 16,717.08 and 6,809.12 is: 9,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.38 : 16,717.08 = 6,809.12 : x
  2. Step 2: Convert to fraction form
    12,114.38/16,717.08 = 6,809.12/x
  3. Step 3: Cross multiply
    12,114.38x = 16,717.08 × 6,809.12
  4. Step 4: Simplify right side
    12,114.38x = 113,828,603.77
  5. Step 5: Solve for x
    x = 113,828,603.77/12,114.38
  6. Step 6: Final answer
    x = 9,396.16

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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.