Home / 13,205.86-19,808.75-4,446.92

Finding the Fourth Proportional to 13,205.86, 19,808.75 and 4,446.92

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Solution

The fourth proportional to 13,205.86, 19,808.75 and 4,446.92 is: 6,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.86 : 19,808.75 = 4,446.92 : x
  2. Step 2: Convert to fraction form
    13,205.86/19,808.75 = 4,446.92/x
  3. Step 3: Cross multiply
    13,205.86x = 19,808.75 × 4,446.92
  4. Step 4: Simplify right side
    13,205.86x = 88,087,987.19
  5. Step 5: Solve for x
    x = 88,087,987.19/13,205.86
  6. Step 6: Final answer
    x = 6,670.37

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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.