Home / 17,617.91-26,427.40-5,137.63

Finding the Fourth Proportional to 17,617.91, 26,427.40 and 5,137.63

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Solution

The fourth proportional to 17,617.91, 26,427.40 and 5,137.63 is: 7,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.91 : 26,427.40 = 5,137.63 : x
  2. Step 2: Convert to fraction form
    17,617.91/26,427.40 = 5,137.63/x
  3. Step 3: Cross multiply
    17,617.91x = 26,427.40 × 5,137.63
  4. Step 4: Simplify right side
    17,617.91x = 135,774,124.15
  5. Step 5: Solve for x
    x = 135,774,124.15/17,617.91
  6. Step 6: Final answer
    x = 7,706.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.