Home / 14,130.43-21,195.63-3,742.18

Finding the Fourth Proportional to 14,130.43, 21,195.63 and 3,742.18

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Solution

The fourth proportional to 14,130.43, 21,195.63 and 3,742.18 is: 5,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.43 : 21,195.63 = 3,742.18 : x
  2. Step 2: Convert to fraction form
    14,130.43/21,195.63 = 3,742.18/x
  3. Step 3: Cross multiply
    14,130.43x = 21,195.63 × 3,742.18
  4. Step 4: Simplify right side
    14,130.43x = 79,317,809.68
  5. Step 5: Solve for x
    x = 79,317,809.68/14,130.43
  6. Step 6: Final answer
    x = 5,613.26

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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.