Home / 21,003.56-31,509.48-6,010.82

Finding the Fourth Proportional to 21,003.56, 31,509.48 and 6,010.82

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Solution

The fourth proportional to 21,003.56, 31,509.48 and 6,010.82 is: 9,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003.56 : 31,509.48 = 6,010.82 : x
  2. Step 2: Convert to fraction form
    21,003.56/31,509.48 = 6,010.82/x
  3. Step 3: Cross multiply
    21,003.56x = 31,509.48 × 6,010.82
  4. Step 4: Simplify right side
    21,003.56x = 189,397,812.57
  5. Step 5: Solve for x
    x = 189,397,812.57/21,003.56
  6. Step 6: Final answer
    x = 9,017.41

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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.