Home / 10,370.72-15,544.53-5,440.92

Finding the Fourth Proportional to 10,370.72, 15,544.53 and 5,440.92

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Solution

The fourth proportional to 10,370.72, 15,544.53 and 5,440.92 is: 8,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.72 : 15,544.53 = 5,440.92 : x
  2. Step 2: Convert to fraction form
    10,370.72/15,544.53 = 5,440.92/x
  3. Step 3: Cross multiply
    10,370.72x = 15,544.53 × 5,440.92
  4. Step 4: Simplify right side
    10,370.72x = 84,576,544.17
  5. Step 5: Solve for x
    x = 84,576,544.17/10,370.72
  6. Step 6: Final answer
    x = 8,155.32

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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.