Home / 19,622.15-27,078.37-10,669.72

Finding the Fourth Proportional to 19,622.15, 27,078.37 and 10,669.72

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Solution

The fourth proportional to 19,622.15, 27,078.37 and 10,669.72 is: 14,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.15 : 27,078.37 = 10,669.72 : x
  2. Step 2: Convert to fraction form
    19,622.15/27,078.37 = 10,669.72/x
  3. Step 3: Cross multiply
    19,622.15x = 27,078.37 × 10,669.72
  4. Step 4: Simplify right side
    19,622.15x = 288,918,625.96
  5. Step 5: Solve for x
    x = 288,918,625.96/19,622.15
  6. Step 6: Final answer
    x = 14,724.11

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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.