Home / 12,519.20-17,258.09-9,529.83

Finding the Fourth Proportional to 12,519.20, 17,258.09 and 9,529.83

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Solution

The fourth proportional to 12,519.20, 17,258.09 and 9,529.83 is: 13,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.20 : 17,258.09 = 9,529.83 : x
  2. Step 2: Convert to fraction form
    12,519.20/17,258.09 = 9,529.83/x
  3. Step 3: Cross multiply
    12,519.20x = 17,258.09 × 9,529.83
  4. Step 4: Simplify right side
    12,519.20x = 164,466,616.18
  5. Step 5: Solve for x
    x = 164,466,616.18/12,519.20
  6. Step 6: Final answer
    x = 13,137.16

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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.