Home / 14,239.35-21,361.05-4,379.45

Finding the Fourth Proportional to 14,239.35, 21,361.05 and 4,379.45

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Solution

The fourth proportional to 14,239.35, 21,361.05 and 4,379.45 is: 6,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.35 : 21,361.05 = 4,379.45 : x
  2. Step 2: Convert to fraction form
    14,239.35/21,361.05 = 4,379.45/x
  3. Step 3: Cross multiply
    14,239.35x = 21,361.05 × 4,379.45
  4. Step 4: Simplify right side
    14,239.35x = 93,549,543.62
  5. Step 5: Solve for x
    x = 93,549,543.62/14,239.35
  6. Step 6: Final answer
    x = 6,569.79

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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.