Home / 21,193.58-29,252.45-12,246.28

Finding the Fourth Proportional to 21,193.58, 29,252.45 and 12,246.28

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Solution

The fourth proportional to 21,193.58, 29,252.45 and 12,246.28 is: 16,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.58 : 29,252.45 = 12,246.28 : x
  2. Step 2: Convert to fraction form
    21,193.58/29,252.45 = 12,246.28/x
  3. Step 3: Cross multiply
    21,193.58x = 29,252.45 × 12,246.28
  4. Step 4: Simplify right side
    21,193.58x = 358,233,693.39
  5. Step 5: Solve for x
    x = 358,233,693.39/21,193.58
  6. Step 6: Final answer
    x = 16,902.93

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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.