Home / 15,138.99-22,709.62-4,045.43

Finding the Fourth Proportional to 15,138.99, 22,709.62 and 4,045.43

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Solution

The fourth proportional to 15,138.99, 22,709.62 and 4,045.43 is: 6,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.99 : 22,709.62 = 4,045.43 : x
  2. Step 2: Convert to fraction form
    15,138.99/22,709.62 = 4,045.43/x
  3. Step 3: Cross multiply
    15,138.99x = 22,709.62 × 4,045.43
  4. Step 4: Simplify right side
    15,138.99x = 91,870,178.04
  5. Step 5: Solve for x
    x = 91,870,178.04/15,138.99
  6. Step 6: Final answer
    x = 6,068.45

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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.