Home / 21,295.17-31,942.76-9,611.73

Finding the Fourth Proportional to 21,295.17, 31,942.76 and 9,611.73

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Solution

The fourth proportional to 21,295.17, 31,942.76 and 9,611.73 is: 14,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.17 : 31,942.76 = 9,611.73 : x
  2. Step 2: Convert to fraction form
    21,295.17/31,942.76 = 9,611.73/x
  3. Step 3: Cross multiply
    21,295.17x = 31,942.76 × 9,611.73
  4. Step 4: Simplify right side
    21,295.17x = 307,025,136.52
  5. Step 5: Solve for x
    x = 307,025,136.52/21,295.17
  6. Step 6: Final answer
    x = 14,417.60

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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.