Home / 12,927.16-17,837.58-7,622.20

Finding the Fourth Proportional to 12,927.16, 17,837.58 and 7,622.20

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Solution

The fourth proportional to 12,927.16, 17,837.58 and 7,622.20 is: 10,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.16 : 17,837.58 = 7,622.20 : x
  2. Step 2: Convert to fraction form
    12,927.16/17,837.58 = 7,622.20/x
  3. Step 3: Cross multiply
    12,927.16x = 17,837.58 × 7,622.20
  4. Step 4: Simplify right side
    12,927.16x = 135,961,602.28
  5. Step 5: Solve for x
    x = 135,961,602.28/12,927.16
  6. Step 6: Final answer
    x = 10,517.52

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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.