Home / 21,099.23-31,652.94-6,307.82

Finding the Fourth Proportional to 21,099.23, 31,652.94 and 6,307.82

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Solution

The fourth proportional to 21,099.23, 31,652.94 and 6,307.82 is: 9,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099.23 : 31,652.94 = 6,307.82 : x
  2. Step 2: Convert to fraction form
    21,099.23/31,652.94 = 6,307.82/x
  3. Step 3: Cross multiply
    21,099.23x = 31,652.94 × 6,307.82
  4. Step 4: Simplify right side
    21,099.23x = 199,660,889.73
  5. Step 5: Solve for x
    x = 199,660,889.73/21,099.23
  6. Step 6: Final answer
    x = 9,462.95

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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.