Home / 14,086.76-21,123.90-4,222.76

Finding the Fourth Proportional to 14,086.76, 21,123.90 and 4,222.76

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Solution

The fourth proportional to 14,086.76, 21,123.90 and 4,222.76 is: 6,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.76 : 21,123.90 = 4,222.76 : x
  2. Step 2: Convert to fraction form
    14,086.76/21,123.90 = 4,222.76/x
  3. Step 3: Cross multiply
    14,086.76x = 21,123.90 × 4,222.76
  4. Step 4: Simplify right side
    14,086.76x = 89,201,159.96
  5. Step 5: Solve for x
    x = 89,201,159.96/14,086.76
  6. Step 6: Final answer
    x = 6,332.27

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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.