Home / 12,130.43-18,197.72-5,557.19

Finding the Fourth Proportional to 12,130.43, 18,197.72 and 5,557.19

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Solution

The fourth proportional to 12,130.43, 18,197.72 and 5,557.19 is: 8,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.43 : 18,197.72 = 5,557.19 : x
  2. Step 2: Convert to fraction form
    12,130.43/18,197.72 = 5,557.19/x
  3. Step 3: Cross multiply
    12,130.43x = 18,197.72 × 5,557.19
  4. Step 4: Simplify right side
    12,130.43x = 101,128,110.51
  5. Step 5: Solve for x
    x = 101,128,110.51/12,130.43
  6. Step 6: Final answer
    x = 8,336.73

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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.