Home / 13,184.36-19,776.68-4,419.28

Finding the Fourth Proportional to 13,184.36, 19,776.68 and 4,419.28

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Solution

The fourth proportional to 13,184.36, 19,776.68 and 4,419.28 is: 6,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.36 : 19,776.68 = 4,419.28 : x
  2. Step 2: Convert to fraction form
    13,184.36/19,776.68 = 4,419.28/x
  3. Step 3: Cross multiply
    13,184.36x = 19,776.68 × 4,419.28
  4. Step 4: Simplify right side
    13,184.36x = 87,398,686.39
  5. Step 5: Solve for x
    x = 87,398,686.39/13,184.36
  6. Step 6: Final answer
    x = 6,628.97

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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.