Home / 13,502.37-18,628.35-8,397.55

Finding the Fourth Proportional to 13,502.37, 18,628.35 and 8,397.55

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Solution

The fourth proportional to 13,502.37, 18,628.35 and 8,397.55 is: 11,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.37 : 18,628.35 = 8,397.55 : x
  2. Step 2: Convert to fraction form
    13,502.37/18,628.35 = 8,397.55/x
  3. Step 3: Cross multiply
    13,502.37x = 18,628.35 × 8,397.55
  4. Step 4: Simplify right side
    13,502.37x = 156,432,500.54
  5. Step 5: Solve for x
    x = 156,432,500.54/13,502.37
  6. Step 6: Final answer
    x = 11,585.56

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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.