Home / 21,019.96-31,534.56-6,230.04

Finding the Fourth Proportional to 21,019.96, 31,534.56 and 6,230.04

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Solution

The fourth proportional to 21,019.96, 31,534.56 and 6,230.04 is: 9,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019.96 : 31,534.56 = 6,230.04 : x
  2. Step 2: Convert to fraction form
    21,019.96/31,534.56 = 6,230.04/x
  3. Step 3: Cross multiply
    21,019.96x = 31,534.56 × 6,230.04
  4. Step 4: Simplify right side
    21,019.96x = 196,461,570.18
  5. Step 5: Solve for x
    x = 196,461,570.18/21,019.96
  6. Step 6: Final answer
    x = 9,346.43

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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.