Home / 20,741.74-31,075.35-11,371.66

Finding the Fourth Proportional to 20,741.74, 31,075.35 and 11,371.66

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Solution

The fourth proportional to 20,741.74, 31,075.35 and 11,371.66 is: 17,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.74 : 31,075.35 = 11,371.66 : x
  2. Step 2: Convert to fraction form
    20,741.74/31,075.35 = 11,371.66/x
  3. Step 3: Cross multiply
    20,741.74x = 31,075.35 × 11,371.66
  4. Step 4: Simplify right side
    20,741.74x = 353,378,314.58
  5. Step 5: Solve for x
    x = 353,378,314.58/20,741.74
  6. Step 6: Final answer
    x = 17,037.06

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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.