Home / 17,777.19-26,646.82-13,381.05

Finding the Fourth Proportional to 17,777.19, 26,646.82 and 13,381.05

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Solution

The fourth proportional to 17,777.19, 26,646.82 and 13,381.05 is: 20,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.19 : 26,646.82 = 13,381.05 : x
  2. Step 2: Convert to fraction form
    17,777.19/26,646.82 = 13,381.05/x
  3. Step 3: Cross multiply
    17,777.19x = 26,646.82 × 13,381.05
  4. Step 4: Simplify right side
    17,777.19x = 356,562,430.76
  5. Step 5: Solve for x
    x = 356,562,430.76/17,777.19
  6. Step 6: Final answer
    x = 20,057.30

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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.