Home / 19,613.21-29,410.57-7,124.43

Finding the Fourth Proportional to 19,613.21, 29,410.57 and 7,124.43

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Solution

The fourth proportional to 19,613.21, 29,410.57 and 7,124.43 is: 10,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.21 : 29,410.57 = 7,124.43 : x
  2. Step 2: Convert to fraction form
    19,613.21/29,410.57 = 7,124.43/x
  3. Step 3: Cross multiply
    19,613.21x = 29,410.57 × 7,124.43
  4. Step 4: Simplify right side
    19,613.21x = 209,533,364.55
  5. Step 5: Solve for x
    x = 209,533,364.55/19,613.21
  6. Step 6: Final answer
    x = 10,683.28

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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.