Home / 13,213.77-19,820.14-4,329.77

Finding the Fourth Proportional to 13,213.77, 19,820.14 and 4,329.77

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Solution

The fourth proportional to 13,213.77, 19,820.14 and 4,329.77 is: 6,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.77 : 19,820.14 = 4,329.77 : x
  2. Step 2: Convert to fraction form
    13,213.77/19,820.14 = 4,329.77/x
  3. Step 3: Cross multiply
    13,213.77x = 19,820.14 × 4,329.77
  4. Step 4: Simplify right side
    13,213.77x = 85,816,526.82
  5. Step 5: Solve for x
    x = 85,816,526.82/13,213.77
  6. Step 6: Final answer
    x = 6,494.48

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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.