Home / 12,011.68-16,577.52-6,707.20

Finding the Fourth Proportional to 12,011.68, 16,577.52 and 6,707.20

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Solution

The fourth proportional to 12,011.68, 16,577.52 and 6,707.20 is: 9,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.68 : 16,577.52 = 6,707.20 : x
  2. Step 2: Convert to fraction form
    12,011.68/16,577.52 = 6,707.20/x
  3. Step 3: Cross multiply
    12,011.68x = 16,577.52 × 6,707.20
  4. Step 4: Simplify right side
    12,011.68x = 111,188,742.14
  5. Step 5: Solve for x
    x = 111,188,742.14/12,011.68
  6. Step 6: Final answer
    x = 9,256.72

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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.