Home / 14,221.36-19,616.34-8,632.36

Finding the Fourth Proportional to 14,221.36, 19,616.34 and 8,632.36

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Solution

The fourth proportional to 14,221.36, 19,616.34 and 8,632.36 is: 11,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.36 : 19,616.34 = 8,632.36 : x
  2. Step 2: Convert to fraction form
    14,221.36/19,616.34 = 8,632.36/x
  3. Step 3: Cross multiply
    14,221.36x = 19,616.34 × 8,632.36
  4. Step 4: Simplify right side
    14,221.36x = 169,335,308.76
  5. Step 5: Solve for x
    x = 169,335,308.76/14,221.36
  6. Step 6: Final answer
    x = 11,907.11

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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.