Home / 13,168.70-19,755.51-4,403.66

Finding the Fourth Proportional to 13,168.70, 19,755.51 and 4,403.66

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Solution

The fourth proportional to 13,168.70, 19,755.51 and 4,403.66 is: 6,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.70 : 19,755.51 = 4,403.66 : x
  2. Step 2: Convert to fraction form
    13,168.70/19,755.51 = 4,403.66/x
  3. Step 3: Cross multiply
    13,168.70x = 19,755.51 × 4,403.66
  4. Step 4: Simplify right side
    13,168.70x = 86,996,549.17
  5. Step 5: Solve for x
    x = 86,996,549.17/13,168.70
  6. Step 6: Final answer
    x = 6,606.31

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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.