Home / 14,153.70-21,230.60-4,293.06

Finding the Fourth Proportional to 14,153.70, 21,230.60 and 4,293.06

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Solution

The fourth proportional to 14,153.70, 21,230.60 and 4,293.06 is: 6,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.70 : 21,230.60 = 4,293.06 : x
  2. Step 2: Convert to fraction form
    14,153.70/21,230.60 = 4,293.06/x
  3. Step 3: Cross multiply
    14,153.70x = 21,230.60 × 4,293.06
  4. Step 4: Simplify right side
    14,153.70x = 91,144,239.64
  5. Step 5: Solve for x
    x = 91,144,239.64/14,153.70
  6. Step 6: Final answer
    x = 6,439.61

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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.