Home / 21,196.65-29,252.70-12,244.53

Finding the Fourth Proportional to 21,196.65, 29,252.70 and 12,244.53

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Solution

The fourth proportional to 21,196.65, 29,252.70 and 12,244.53 is: 16,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.65 : 29,252.70 = 12,244.53 : x
  2. Step 2: Convert to fraction form
    21,196.65/29,252.70 = 12,244.53/x
  3. Step 3: Cross multiply
    21,196.65x = 29,252.70 × 12,244.53
  4. Step 4: Simplify right side
    21,196.65x = 358,185,562.73
  5. Step 5: Solve for x
    x = 358,185,562.73/21,196.65
  6. Step 6: Final answer
    x = 16,898.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.