Home / 10,238.05-15,357.05-3,218.67

Finding the Fourth Proportional to 10,238.05, 15,357.05 and 3,218.67

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Solution

The fourth proportional to 10,238.05, 15,357.05 and 3,218.67 is: 4,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.05 : 15,357.05 = 3,218.67 : x
  2. Step 2: Convert to fraction form
    10,238.05/15,357.05 = 3,218.67/x
  3. Step 3: Cross multiply
    10,238.05x = 15,357.05 × 3,218.67
  4. Step 4: Simplify right side
    10,238.05x = 49,429,350.47
  5. Step 5: Solve for x
    x = 49,429,350.47/10,238.05
  6. Step 6: Final answer
    x = 4,828.01

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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.