Home / 10,048.36-15,072.56-5,440.36

Finding the Fourth Proportional to 10,048.36, 15,072.56 and 5,440.36

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Solution

The fourth proportional to 10,048.36, 15,072.56 and 5,440.36 is: 8,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.36 : 15,072.56 = 5,440.36 : x
  2. Step 2: Convert to fraction form
    10,048.36/15,072.56 = 5,440.36/x
  3. Step 3: Cross multiply
    10,048.36x = 15,072.56 × 5,440.36
  4. Step 4: Simplify right side
    10,048.36x = 82,000,152.52
  5. Step 5: Solve for x
    x = 82,000,152.52/10,048.36
  6. Step 6: Final answer
    x = 8,160.55

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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.