Home / 12,070.08-16,659.04-6,767.28

Finding the Fourth Proportional to 12,070.08, 16,659.04 and 6,767.28

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Solution

The fourth proportional to 12,070.08, 16,659.04 and 6,767.28 is: 9,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.08 : 16,659.04 = 6,767.28 : x
  2. Step 2: Convert to fraction form
    12,070.08/16,659.04 = 6,767.28/x
  3. Step 3: Cross multiply
    12,070.08x = 16,659.04 × 6,767.28
  4. Step 4: Simplify right side
    12,070.08x = 112,736,388.21
  5. Step 5: Solve for x
    x = 112,736,388.21/12,070.08
  6. Step 6: Final answer
    x = 9,340.15

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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.