Home / 18,900.57-26,082.88-10,403.54

Finding the Fourth Proportional to 18,900.57, 26,082.88 and 10,403.54

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Solution

The fourth proportional to 18,900.57, 26,082.88 and 10,403.54 is: 14,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.57 : 26,082.88 = 10,403.54 : x
  2. Step 2: Convert to fraction form
    18,900.57/26,082.88 = 10,403.54/x
  3. Step 3: Cross multiply
    18,900.57x = 26,082.88 × 10,403.54
  4. Step 4: Simplify right side
    18,900.57x = 271,354,226.78
  5. Step 5: Solve for x
    x = 271,354,226.78/18,900.57
  6. Step 6: Final answer
    x = 14,356.93

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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.