Home / 21,237.24-29,304.18-12,282.96

Finding the Fourth Proportional to 21,237.24, 29,304.18 and 12,282.96

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Solution

The fourth proportional to 21,237.24, 29,304.18 and 12,282.96 is: 16,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.24 : 29,304.18 = 12,282.96 : x
  2. Step 2: Convert to fraction form
    21,237.24/29,304.18 = 12,282.96/x
  3. Step 3: Cross multiply
    21,237.24x = 29,304.18 × 12,282.96
  4. Step 4: Simplify right side
    21,237.24x = 359,942,070.77
  5. Step 5: Solve for x
    x = 359,942,070.77/21,237.24
  6. Step 6: Final answer
    x = 16,948.63

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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.