Home / 14,512.09-20,035.20-11,148.30

Finding the Fourth Proportional to 14,512.09, 20,035.20 and 11,148.30

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Solution

The fourth proportional to 14,512.09, 20,035.20 and 11,148.30 is: 15,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.09 : 20,035.20 = 11,148.30 : x
  2. Step 2: Convert to fraction form
    14,512.09/20,035.20 = 11,148.30/x
  3. Step 3: Cross multiply
    14,512.09x = 20,035.20 × 11,148.30
  4. Step 4: Simplify right side
    14,512.09x = 223,358,319.98
  5. Step 5: Solve for x
    x = 223,358,319.98/14,512.09
  6. Step 6: Final answer
    x = 15,391.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.