Home / 12,600.24-17,388.60-7,011.60

Finding the Fourth Proportional to 12,600.24, 17,388.60 and 7,011.60

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Solution

The fourth proportional to 12,600.24, 17,388.60 and 7,011.60 is: 9,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.24 : 17,388.60 = 7,011.60 : x
  2. Step 2: Convert to fraction form
    12,600.24/17,388.60 = 7,011.60/x
  3. Step 3: Cross multiply
    12,600.24x = 17,388.60 × 7,011.60
  4. Step 4: Simplify right side
    12,600.24x = 121,921,907.76
  5. Step 5: Solve for x
    x = 121,921,907.76/12,600.24
  6. Step 6: Final answer
    x = 9,676.16

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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.