Home / 18,904.98-26,087.64-10,405.48

Finding the Fourth Proportional to 18,904.98, 26,087.64 and 10,405.48

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Solution

The fourth proportional to 18,904.98, 26,087.64 and 10,405.48 is: 14,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.98 : 26,087.64 = 10,405.48 : x
  2. Step 2: Convert to fraction form
    18,904.98/26,087.64 = 10,405.48/x
  3. Step 3: Cross multiply
    18,904.98x = 26,087.64 × 10,405.48
  4. Step 4: Simplify right side
    18,904.98x = 271,454,416.27
  5. Step 5: Solve for x
    x = 271,454,416.27/18,904.98
  6. Step 6: Final answer
    x = 14,358.88

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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.