Home / 18,903.33-26,082.14-15,889.91

Finding the Fourth Proportional to 18,903.33, 26,082.14 and 15,889.91

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Solution

The fourth proportional to 18,903.33, 26,082.14 and 15,889.91 is: 21,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.33 : 26,082.14 = 15,889.91 : x
  2. Step 2: Convert to fraction form
    18,903.33/26,082.14 = 15,889.91/x
  3. Step 3: Cross multiply
    18,903.33x = 26,082.14 × 15,889.91
  4. Step 4: Simplify right side
    18,903.33x = 414,442,647.35
  5. Step 5: Solve for x
    x = 414,442,647.35/18,903.33
  6. Step 6: Final answer
    x = 21,924.32

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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.