Home / 14,253.36-21,381.18-4,889.61

Finding the Fourth Proportional to 14,253.36, 21,381.18 and 4,889.61

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Solution

The fourth proportional to 14,253.36, 21,381.18 and 4,889.61 is: 7,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.36 : 21,381.18 = 4,889.61 : x
  2. Step 2: Convert to fraction form
    14,253.36/21,381.18 = 4,889.61/x
  3. Step 3: Cross multiply
    14,253.36x = 21,381.18 × 4,889.61
  4. Step 4: Simplify right side
    14,253.36x = 104,545,631.54
  5. Step 5: Solve for x
    x = 104,545,631.54/14,253.36
  6. Step 6: Final answer
    x = 7,334.81

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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.