Home / 14,145.86-19,534.41-9,121.83

Finding the Fourth Proportional to 14,145.86, 19,534.41 and 9,121.83

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Solution

The fourth proportional to 14,145.86, 19,534.41 and 9,121.83 is: 12,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.86 : 19,534.41 = 9,121.83 : x
  2. Step 2: Convert to fraction form
    14,145.86/19,534.41 = 9,121.83/x
  3. Step 3: Cross multiply
    14,145.86x = 19,534.41 × 9,121.83
  4. Step 4: Simplify right side
    14,145.86x = 178,189,567.17
  5. Step 5: Solve for x
    x = 178,189,567.17/14,145.86
  6. Step 6: Final answer
    x = 12,596.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.