Home / 13,260.66-18,301.48-8,558.62

Finding the Fourth Proportional to 13,260.66, 18,301.48 and 8,558.62

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Solution

The fourth proportional to 13,260.66, 18,301.48 and 8,558.62 is: 11,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.66 : 18,301.48 = 8,558.62 : x
  2. Step 2: Convert to fraction form
    13,260.66/18,301.48 = 8,558.62/x
  3. Step 3: Cross multiply
    13,260.66x = 18,301.48 × 8,558.62
  4. Step 4: Simplify right side
    13,260.66x = 156,635,412.76
  5. Step 5: Solve for x
    x = 156,635,412.76/13,260.66
  6. Step 6: Final answer
    x = 11,812.04

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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.