Home / 21,001.30-31,502.48-6,010.63

Finding the Fourth Proportional to 21,001.30, 31,502.48 and 6,010.63

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Solution

The fourth proportional to 21,001.30, 31,502.48 and 6,010.63 is: 9,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001.30 : 31,502.48 = 6,010.63 : x
  2. Step 2: Convert to fraction form
    21,001.30/31,502.48 = 6,010.63/x
  3. Step 3: Cross multiply
    21,001.30x = 31,502.48 × 6,010.63
  4. Step 4: Simplify right side
    21,001.30x = 189,349,608.88
  5. Step 5: Solve for x
    x = 189,349,608.88/21,001.30
  6. Step 6: Final answer
    x = 9,016.09

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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.