Home / 16,858.32-23,275.44-15,086.88

Finding the Fourth Proportional to 16,858.32, 23,275.44 and 15,086.88

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Solution

The fourth proportional to 16,858.32, 23,275.44 and 15,086.88 is: 20,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.32 : 23,275.44 = 15,086.88 : x
  2. Step 2: Convert to fraction form
    16,858.32/23,275.44 = 15,086.88/x
  3. Step 3: Cross multiply
    16,858.32x = 23,275.44 × 15,086.88
  4. Step 4: Simplify right side
    16,858.32x = 351,153,770.23
  5. Step 5: Solve for x
    x = 351,153,770.23/16,858.32
  6. Step 6: Final answer
    x = 20,829.70

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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.