Home / 21,337.65-29,445.34-11,906.01

Finding the Fourth Proportional to 21,337.65, 29,445.34 and 11,906.01

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Solution

The fourth proportional to 21,337.65, 29,445.34 and 11,906.01 is: 16,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.65 : 29,445.34 = 11,906.01 : x
  2. Step 2: Convert to fraction form
    21,337.65/29,445.34 = 11,906.01/x
  3. Step 3: Cross multiply
    21,337.65x = 29,445.34 × 11,906.01
  4. Step 4: Simplify right side
    21,337.65x = 350,576,512.49
  5. Step 5: Solve for x
    x = 350,576,512.49/21,337.65
  6. Step 6: Final answer
    x = 16,429.95

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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.