Home / 14,552.06-20,035.79-13,221.78

Finding the Fourth Proportional to 14,552.06, 20,035.79 and 13,221.78

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Solution

The fourth proportional to 14,552.06, 20,035.79 and 13,221.78 is: 18,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,552.06 : 20,035.79 = 13,221.78 : x
  2. Step 2: Convert to fraction form
    14,552.06/20,035.79 = 13,221.78/x
  3. Step 3: Cross multiply
    14,552.06x = 20,035.79 × 13,221.78
  4. Step 4: Simplify right side
    14,552.06x = 264,908,828.55
  5. Step 5: Solve for x
    x = 264,908,828.55/14,552.06
  6. Step 6: Final answer
    x = 18,204.22

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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.