Home / 13,809.74-18,933.53-13,560.89

Finding the Fourth Proportional to 13,809.74, 18,933.53 and 13,560.89

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Solution

The fourth proportional to 13,809.74, 18,933.53 and 13,560.89 is: 18,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.74 : 18,933.53 = 13,560.89 : x
  2. Step 2: Convert to fraction form
    13,809.74/18,933.53 = 13,560.89/x
  3. Step 3: Cross multiply
    13,809.74x = 18,933.53 × 13,560.89
  4. Step 4: Simplify right side
    13,809.74x = 256,755,355.17
  5. Step 5: Solve for x
    x = 256,755,355.17/13,809.74
  6. Step 6: Final answer
    x = 18,592.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.