Home / 20,010.98-30,014.40-5,971.16

Finding the Fourth Proportional to 20,010.98, 30,014.40 and 5,971.16

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Solution

The fourth proportional to 20,010.98, 30,014.40 and 5,971.16 is: 8,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.98 : 30,014.40 = 5,971.16 : x
  2. Step 2: Convert to fraction form
    20,010.98/30,014.40 = 5,971.16/x
  3. Step 3: Cross multiply
    20,010.98x = 30,014.40 × 5,971.16
  4. Step 4: Simplify right side
    20,010.98x = 179,220,784.70
  5. Step 5: Solve for x
    x = 179,220,784.70/20,010.98
  6. Step 6: Final answer
    x = 8,956.12

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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.