Home / 12,538.38-17,302.32-7,505.36

Finding the Fourth Proportional to 12,538.38, 17,302.32 and 7,505.36

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Solution

The fourth proportional to 12,538.38, 17,302.32 and 7,505.36 is: 10,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.38 : 17,302.32 = 7,505.36 : x
  2. Step 2: Convert to fraction form
    12,538.38/17,302.32 = 7,505.36/x
  3. Step 3: Cross multiply
    12,538.38x = 17,302.32 × 7,505.36
  4. Step 4: Simplify right side
    12,538.38x = 129,860,140.44
  5. Step 5: Solve for x
    x = 129,860,140.44/12,538.38
  6. Step 6: Final answer
    x = 10,357.01

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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.