Home / 12,114.32-16,717.68-6,809.02

Finding the Fourth Proportional to 12,114.32, 16,717.68 and 6,809.02

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Solution

The fourth proportional to 12,114.32, 16,717.68 and 6,809.02 is: 9,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.32 : 16,717.68 = 6,809.02 : x
  2. Step 2: Convert to fraction form
    12,114.32/16,717.68 = 6,809.02/x
  3. Step 3: Cross multiply
    12,114.32x = 16,717.68 × 6,809.02
  4. Step 4: Simplify right side
    12,114.32x = 113,831,017.47
  5. Step 5: Solve for x
    x = 113,831,017.47/12,114.32
  6. Step 6: Final answer
    x = 9,396.40

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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.