Home / 14,123.70-21,186.09-6,337.98

Finding the Fourth Proportional to 14,123.70, 21,186.09 and 6,337.98

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Solution

The fourth proportional to 14,123.70, 21,186.09 and 6,337.98 is: 9,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.70 : 21,186.09 = 6,337.98 : x
  2. Step 2: Convert to fraction form
    14,123.70/21,186.09 = 6,337.98/x
  3. Step 3: Cross multiply
    14,123.70x = 21,186.09 × 6,337.98
  4. Step 4: Simplify right side
    14,123.70x = 134,277,014.70
  5. Step 5: Solve for x
    x = 134,277,014.70/14,123.70
  6. Step 6: Final answer
    x = 9,507.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.