Home / 14,154.36-21,201.31-10,785.17

Finding the Fourth Proportional to 14,154.36, 21,201.31 and 10,785.17

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Solution

The fourth proportional to 14,154.36, 21,201.31 and 10,785.17 is: 16,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.36 : 21,201.31 = 10,785.17 : x
  2. Step 2: Convert to fraction form
    14,154.36/21,201.31 = 10,785.17/x
  3. Step 3: Cross multiply
    14,154.36x = 21,201.31 × 10,785.17
  4. Step 4: Simplify right side
    14,154.36x = 228,659,732.57
  5. Step 5: Solve for x
    x = 228,659,732.57/14,154.36
  6. Step 6: Final answer
    x = 16,154.72

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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.