Home / 13,151.24-19,722.60-4,383.80

Finding the Fourth Proportional to 13,151.24, 19,722.60 and 4,383.80

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Solution

The fourth proportional to 13,151.24, 19,722.60 and 4,383.80 is: 6,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.24 : 19,722.60 = 4,383.80 : x
  2. Step 2: Convert to fraction form
    13,151.24/19,722.60 = 4,383.80/x
  3. Step 3: Cross multiply
    13,151.24x = 19,722.60 × 4,383.80
  4. Step 4: Simplify right side
    13,151.24x = 86,459,933.88
  5. Step 5: Solve for x
    x = 86,459,933.88/13,151.24
  6. Step 6: Final answer
    x = 6,574.28

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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.