Home / 12,599.24-17,390.10-7,297.28

Finding the Fourth Proportional to 12,599.24, 17,390.10 and 7,297.28

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Solution

The fourth proportional to 12,599.24, 17,390.10 and 7,297.28 is: 10,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.24 : 17,390.10 = 7,297.28 : x
  2. Step 2: Convert to fraction form
    12,599.24/17,390.10 = 7,297.28/x
  3. Step 3: Cross multiply
    12,599.24x = 17,390.10 × 7,297.28
  4. Step 4: Simplify right side
    12,599.24x = 126,900,428.93
  5. Step 5: Solve for x
    x = 126,900,428.93/12,599.24
  6. Step 6: Final answer
    x = 10,072.07

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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.