Home / 12,607.26-17,398.44-9,085.38

Finding the Fourth Proportional to 12,607.26, 17,398.44 and 9,085.38

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Solution

The fourth proportional to 12,607.26, 17,398.44 and 9,085.38 is: 12,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.26 : 17,398.44 = 9,085.38 : x
  2. Step 2: Convert to fraction form
    12,607.26/17,398.44 = 9,085.38/x
  3. Step 3: Cross multiply
    12,607.26x = 17,398.44 × 9,085.38
  4. Step 4: Simplify right side
    12,607.26x = 158,071,438.81
  5. Step 5: Solve for x
    x = 158,071,438.81/12,607.26
  6. Step 6: Final answer
    x = 12,538.13

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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.