Home / 14,379.86-21,562.95-5,018.75

Finding the Fourth Proportional to 14,379.86, 21,562.95 and 5,018.75

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Solution

The fourth proportional to 14,379.86, 21,562.95 and 5,018.75 is: 7,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.86 : 21,562.95 = 5,018.75 : x
  2. Step 2: Convert to fraction form
    14,379.86/21,562.95 = 5,018.75/x
  3. Step 3: Cross multiply
    14,379.86x = 21,562.95 × 5,018.75
  4. Step 4: Simplify right side
    14,379.86x = 108,218,947.50
  5. Step 5: Solve for x
    x = 108,218,947.50/14,379.86
  6. Step 6: Final answer
    x = 7,525.73

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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.