Home / 16,904.60-25,364.10-10,669.40

Finding the Fourth Proportional to 16,904.60, 25,364.10 and 10,669.40

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Solution

The fourth proportional to 16,904.60, 25,364.10 and 10,669.40 is: 16,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.60 : 25,364.10 = 10,669.40 : x
  2. Step 2: Convert to fraction form
    16,904.60/25,364.10 = 10,669.40/x
  3. Step 3: Cross multiply
    16,904.60x = 25,364.10 × 10,669.40
  4. Step 4: Simplify right side
    16,904.60x = 270,619,728.54
  5. Step 5: Solve for x
    x = 270,619,728.54/16,904.60
  6. Step 6: Final answer
    x = 16,008.64

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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.