Home / 18,916.76-26,104-10,958.44

Finding the Fourth Proportional to 18,916.76, 26,104 and 10,958.44

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Solution

The fourth proportional to 18,916.76, 26,104 and 10,958.44 is: 15,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.76 : 26,104 = 10,958.44 : x
  2. Step 2: Convert to fraction form
    18,916.76/26,104 = 10,958.44/x
  3. Step 3: Cross multiply
    18,916.76x = 26,104 × 10,958.44
  4. Step 4: Simplify right side
    18,916.76x = 286,059,117.76
  5. Step 5: Solve for x
    x = 286,059,117.76/18,916.76
  6. Step 6: Final answer
    x = 15,121.99

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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.