Home / 14,242.92-21,357.36-4,379.55

Finding the Fourth Proportional to 14,242.92, 21,357.36 and 4,379.55

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Solution

The fourth proportional to 14,242.92, 21,357.36 and 4,379.55 is: 6,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.92 : 21,357.36 = 4,379.55 : x
  2. Step 2: Convert to fraction form
    14,242.92/21,357.36 = 4,379.55/x
  3. Step 3: Cross multiply
    14,242.92x = 21,357.36 × 4,379.55
  4. Step 4: Simplify right side
    14,242.92x = 93,535,625.99
  5. Step 5: Solve for x
    x = 93,535,625.99/14,242.92
  6. Step 6: Final answer
    x = 6,567.17

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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.