Home / 21,043.70-29,045.29-12,096.40

Finding the Fourth Proportional to 21,043.70, 29,045.29 and 12,096.40

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Solution

The fourth proportional to 21,043.70, 29,045.29 and 12,096.40 is: 16,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.70 : 29,045.29 = 12,096.40 : x
  2. Step 2: Convert to fraction form
    21,043.70/29,045.29 = 12,096.40/x
  3. Step 3: Cross multiply
    21,043.70x = 29,045.29 × 12,096.40
  4. Step 4: Simplify right side
    21,043.70x = 351,343,304.53
  5. Step 5: Solve for x
    x = 351,343,304.53/21,043.70
  6. Step 6: Final answer
    x = 16,695.89

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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.