Home / 13,247.55-19,838.52-7,391.86

Finding the Fourth Proportional to 13,247.55, 19,838.52 and 7,391.86

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Solution

The fourth proportional to 13,247.55, 19,838.52 and 7,391.86 is: 11,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.55 : 19,838.52 = 7,391.86 : x
  2. Step 2: Convert to fraction form
    13,247.55/19,838.52 = 7,391.86/x
  3. Step 3: Cross multiply
    13,247.55x = 19,838.52 × 7,391.86
  4. Step 4: Simplify right side
    13,247.55x = 146,643,512.85
  5. Step 5: Solve for x
    x = 146,643,512.85/13,247.55
  6. Step 6: Final answer
    x = 11,069.48

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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.