Home / 14,422.15-19,873.04-10,639.34

Finding the Fourth Proportional to 14,422.15, 19,873.04 and 10,639.34

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Solution

The fourth proportional to 14,422.15, 19,873.04 and 10,639.34 is: 14,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.15 : 19,873.04 = 10,639.34 : x
  2. Step 2: Convert to fraction form
    14,422.15/19,873.04 = 10,639.34/x
  3. Step 3: Cross multiply
    14,422.15x = 19,873.04 × 10,639.34
  4. Step 4: Simplify right side
    14,422.15x = 211,436,029.39
  5. Step 5: Solve for x
    x = 211,436,029.39/14,422.15
  6. Step 6: Final answer
    x = 14,660.51

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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.