Home / 19,563.09-29,319.48-8,881.65

Finding the Fourth Proportional to 19,563.09, 29,319.48 and 8,881.65

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Solution

The fourth proportional to 19,563.09, 29,319.48 and 8,881.65 is: 13,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.09 : 29,319.48 = 8,881.65 : x
  2. Step 2: Convert to fraction form
    19,563.09/29,319.48 = 8,881.65/x
  3. Step 3: Cross multiply
    19,563.09x = 29,319.48 × 8,881.65
  4. Step 4: Simplify right side
    19,563.09x = 260,405,359.54
  5. Step 5: Solve for x
    x = 260,405,359.54/19,563.09
  6. Step 6: Final answer
    x = 13,311.05

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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.