Home / 16,840.64-25,260.96-7,478.46

Finding the Fourth Proportional to 16,840.64, 25,260.96 and 7,478.46

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Solution

The fourth proportional to 16,840.64, 25,260.96 and 7,478.46 is: 11,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.64 : 25,260.96 = 7,478.46 : x
  2. Step 2: Convert to fraction form
    16,840.64/25,260.96 = 7,478.46/x
  3. Step 3: Cross multiply
    16,840.64x = 25,260.96 × 7,478.46
  4. Step 4: Simplify right side
    16,840.64x = 188,913,106.97
  5. Step 5: Solve for x
    x = 188,913,106.97/16,840.64
  6. Step 6: Final answer
    x = 11,217.69

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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.