Home / 14,150.64-19,517.58-9,669.72

Finding the Fourth Proportional to 14,150.64, 19,517.58 and 9,669.72

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Solution

The fourth proportional to 14,150.64, 19,517.58 and 9,669.72 is: 13,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.64 : 19,517.58 = 9,669.72 : x
  2. Step 2: Convert to fraction form
    14,150.64/19,517.58 = 9,669.72/x
  3. Step 3: Cross multiply
    14,150.64x = 19,517.58 × 9,669.72
  4. Step 4: Simplify right side
    14,150.64x = 188,729,533.68
  5. Step 5: Solve for x
    x = 188,729,533.68/14,150.64
  6. Step 6: Final answer
    x = 13,337.17

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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.