Home / 15,670.82-21,629.18-10,832.34

Finding the Fourth Proportional to 15,670.82, 21,629.18 and 10,832.34

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Solution

The fourth proportional to 15,670.82, 21,629.18 and 10,832.34 is: 14,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.82 : 21,629.18 = 10,832.34 : x
  2. Step 2: Convert to fraction form
    15,670.82/21,629.18 = 10,832.34/x
  3. Step 3: Cross multiply
    15,670.82x = 21,629.18 × 10,832.34
  4. Step 4: Simplify right side
    15,670.82x = 234,294,631.68
  5. Step 5: Solve for x
    x = 234,294,631.68/15,670.82
  6. Step 6: Final answer
    x = 14,951.01

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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.