Home / 21,094.72-31,651.36-10,009.44

Finding the Fourth Proportional to 21,094.72, 31,651.36 and 10,009.44

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Solution

The fourth proportional to 21,094.72, 31,651.36 and 10,009.44 is: 15,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.72 : 31,651.36 = 10,009.44 : x
  2. Step 2: Convert to fraction form
    21,094.72/31,651.36 = 10,009.44/x
  3. Step 3: Cross multiply
    21,094.72x = 31,651.36 × 10,009.44
  4. Step 4: Simplify right side
    21,094.72x = 316,812,388.84
  5. Step 5: Solve for x
    x = 316,812,388.84/21,094.72
  6. Step 6: Final answer
    x = 15,018.56

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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.