Home / 14,129.95-21,193.26-3,742.51

Finding the Fourth Proportional to 14,129.95, 21,193.26 and 3,742.51

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Solution

The fourth proportional to 14,129.95, 21,193.26 and 3,742.51 is: 5,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.95 : 21,193.26 = 3,742.51 : x
  2. Step 2: Convert to fraction form
    14,129.95/21,193.26 = 3,742.51/x
  3. Step 3: Cross multiply
    14,129.95x = 21,193.26 × 3,742.51
  4. Step 4: Simplify right side
    14,129.95x = 79,315,987.48
  5. Step 5: Solve for x
    x = 79,315,987.48/14,129.95
  6. Step 6: Final answer
    x = 5,613.32

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Similar ratio
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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.