Home / 14,629.92-20,189.20-8,342.16

Finding the Fourth Proportional to 14,629.92, 20,189.20 and 8,342.16

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Solution

The fourth proportional to 14,629.92, 20,189.20 and 8,342.16 is: 11,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.92 : 20,189.20 = 8,342.16 : x
  2. Step 2: Convert to fraction form
    14,629.92/20,189.20 = 8,342.16/x
  3. Step 3: Cross multiply
    14,629.92x = 20,189.20 × 8,342.16
  4. Step 4: Simplify right side
    14,629.92x = 168,421,536.67
  5. Step 5: Solve for x
    x = 168,421,536.67/14,629.92
  6. Step 6: Final answer
    x = 11,512.13

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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.