Home / 12,351.31-18,526.89-4,950.47

Finding the Fourth Proportional to 12,351.31, 18,526.89 and 4,950.47

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Solution

The fourth proportional to 12,351.31, 18,526.89 and 4,950.47 is: 7,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.31 : 18,526.89 = 4,950.47 : x
  2. Step 2: Convert to fraction form
    12,351.31/18,526.89 = 4,950.47/x
  3. Step 3: Cross multiply
    12,351.31x = 18,526.89 × 4,950.47
  4. Step 4: Simplify right side
    12,351.31x = 91,716,813.14
  5. Step 5: Solve for x
    x = 91,716,813.14/12,351.31
  6. Step 6: Final answer
    x = 7,425.67

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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.