Home / 13,359.96-18,445.11-8,581.83

Finding the Fourth Proportional to 13,359.96, 18,445.11 and 8,581.83

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Solution

The fourth proportional to 13,359.96, 18,445.11 and 8,581.83 is: 11,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.96 : 18,445.11 = 8,581.83 : x
  2. Step 2: Convert to fraction form
    13,359.96/18,445.11 = 8,581.83/x
  3. Step 3: Cross multiply
    13,359.96x = 18,445.11 × 8,581.83
  4. Step 4: Simplify right side
    13,359.96x = 158,292,798.35
  5. Step 5: Solve for x
    x = 158,292,798.35/13,359.96
  6. Step 6: Final answer
    x = 11,848.30

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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.