Home / 25,898.32-38,849.64-11,103.67

Finding the Fourth Proportional to 25,898.32, 38,849.64 and 11,103.67

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Solution

The fourth proportional to 25,898.32, 38,849.64 and 11,103.67 is: 16,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.32 : 38,849.64 = 11,103.67 : x
  2. Step 2: Convert to fraction form
    25,898.32/38,849.64 = 11,103.67/x
  3. Step 3: Cross multiply
    25,898.32x = 38,849.64 × 11,103.67
  4. Step 4: Simplify right side
    25,898.32x = 431,373,582.18
  5. Step 5: Solve for x
    x = 431,373,582.18/25,898.32
  6. Step 6: Final answer
    x = 16,656.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.