Home / 13,587.72-18,743.46-8,550.06

Finding the Fourth Proportional to 13,587.72, 18,743.46 and 8,550.06

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Solution

The fourth proportional to 13,587.72, 18,743.46 and 8,550.06 is: 11,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.72 : 18,743.46 = 8,550.06 : x
  2. Step 2: Convert to fraction form
    13,587.72/18,743.46 = 8,550.06/x
  3. Step 3: Cross multiply
    13,587.72x = 18,743.46 × 8,550.06
  4. Step 4: Simplify right side
    13,587.72x = 160,257,707.61
  5. Step 5: Solve for x
    x = 160,257,707.61/13,587.72
  6. Step 6: Final answer
    x = 11,794.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.