Home / 21,089.10-31,634.01-6,298.19

Finding the Fourth Proportional to 21,089.10, 31,634.01 and 6,298.19

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Solution

The fourth proportional to 21,089.10, 31,634.01 and 6,298.19 is: 9,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,089.10 : 31,634.01 = 6,298.19 : x
  2. Step 2: Convert to fraction form
    21,089.10/31,634.01 = 6,298.19/x
  3. Step 3: Cross multiply
    21,089.10x = 31,634.01 × 6,298.19
  4. Step 4: Simplify right side
    21,089.10x = 199,236,847.27
  5. Step 5: Solve for x
    x = 199,236,847.27/21,089.10
  6. Step 6: Final answer
    x = 9,447.39

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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.