Home / 17,400.32-26,110.05-7,539.68

Finding the Fourth Proportional to 17,400.32, 26,110.05 and 7,539.68

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Solution

The fourth proportional to 17,400.32, 26,110.05 and 7,539.68 is: 11,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.32 : 26,110.05 = 7,539.68 : x
  2. Step 2: Convert to fraction form
    17,400.32/26,110.05 = 7,539.68/x
  3. Step 3: Cross multiply
    17,400.32x = 26,110.05 × 7,539.68
  4. Step 4: Simplify right side
    17,400.32x = 196,861,458.79
  5. Step 5: Solve for x
    x = 196,861,458.79/17,400.32
  6. Step 6: Final answer
    x = 11,313.67

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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.