Home / 15,039.38-22,558.81-5,178.44

Finding the Fourth Proportional to 15,039.38, 22,558.81 and 5,178.44

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Solution

The fourth proportional to 15,039.38, 22,558.81 and 5,178.44 is: 7,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.38 : 22,558.81 = 5,178.44 : x
  2. Step 2: Convert to fraction form
    15,039.38/22,558.81 = 5,178.44/x
  3. Step 3: Cross multiply
    15,039.38x = 22,558.81 × 5,178.44
  4. Step 4: Simplify right side
    15,039.38x = 116,819,444.06
  5. Step 5: Solve for x
    x = 116,819,444.06/15,039.38
  6. Step 6: Final answer
    x = 7,767.57

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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.