Home / 13,320.72-19,967.02-4,433.66

Finding the Fourth Proportional to 13,320.72, 19,967.02 and 4,433.66

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Solution

The fourth proportional to 13,320.72, 19,967.02 and 4,433.66 is: 6,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.72 : 19,967.02 = 4,433.66 : x
  2. Step 2: Convert to fraction form
    13,320.72/19,967.02 = 4,433.66/x
  3. Step 3: Cross multiply
    13,320.72x = 19,967.02 × 4,433.66
  4. Step 4: Simplify right side
    13,320.72x = 88,526,977.89
  5. Step 5: Solve for x
    x = 88,526,977.89/13,320.72
  6. Step 6: Final answer
    x = 6,645.81

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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.