Home / 21,002.06-31,507.23-6,009.32

Finding the Fourth Proportional to 21,002.06, 31,507.23 and 6,009.32

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Solution

The fourth proportional to 21,002.06, 31,507.23 and 6,009.32 is: 9,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002.06 : 31,507.23 = 6,009.32 : x
  2. Step 2: Convert to fraction form
    21,002.06/31,507.23 = 6,009.32/x
  3. Step 3: Cross multiply
    21,002.06x = 31,507.23 × 6,009.32
  4. Step 4: Simplify right side
    21,002.06x = 189,337,027.38
  5. Step 5: Solve for x
    x = 189,337,027.38/21,002.06
  6. Step 6: Final answer
    x = 9,015.16

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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.