Home / 12,600.32-17,388.16-7,011.84

Finding the Fourth Proportional to 12,600.32, 17,388.16 and 7,011.84

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Solution

The fourth proportional to 12,600.32, 17,388.16 and 7,011.84 is: 9,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.32 : 17,388.16 = 7,011.84 : x
  2. Step 2: Convert to fraction form
    12,600.32/17,388.16 = 7,011.84/x
  3. Step 3: Cross multiply
    12,600.32x = 17,388.16 × 7,011.84
  4. Step 4: Simplify right side
    12,600.32x = 121,922,995.81
  5. Step 5: Solve for x
    x = 121,922,995.81/12,600.32
  6. Step 6: Final answer
    x = 9,676.18

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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.