Home / 12,647.13-17,450.33-7,339.10

Finding the Fourth Proportional to 12,647.13, 17,450.33 and 7,339.10

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Solution

The fourth proportional to 12,647.13, 17,450.33 and 7,339.10 is: 10,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.13 : 17,450.33 = 7,339.10 : x
  2. Step 2: Convert to fraction form
    12,647.13/17,450.33 = 7,339.10/x
  3. Step 3: Cross multiply
    12,647.13x = 17,450.33 × 7,339.10
  4. Step 4: Simplify right side
    12,647.13x = 128,069,592.96
  5. Step 5: Solve for x
    x = 128,069,592.96/12,647.13
  6. Step 6: Final answer
    x = 10,126.38

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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.