Home / 18,975.64-26,187.82-10,479.38

Finding the Fourth Proportional to 18,975.64, 26,187.82 and 10,479.38

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Solution

The fourth proportional to 18,975.64, 26,187.82 and 10,479.38 is: 14,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.64 : 26,187.82 = 10,479.38 : x
  2. Step 2: Convert to fraction form
    18,975.64/26,187.82 = 10,479.38/x
  3. Step 3: Cross multiply
    18,975.64x = 26,187.82 × 10,479.38
  4. Step 4: Simplify right side
    18,975.64x = 274,432,117.15
  5. Step 5: Solve for x
    x = 274,432,117.15/18,975.64
  6. Step 6: Final answer
    x = 14,462.34

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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.