Home / 13,566.65-20,353.19-5,664.76

Finding the Fourth Proportional to 13,566.65, 20,353.19 and 5,664.76

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Solution

The fourth proportional to 13,566.65, 20,353.19 and 5,664.76 is: 8,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.65 : 20,353.19 = 5,664.76 : x
  2. Step 2: Convert to fraction form
    13,566.65/20,353.19 = 5,664.76/x
  3. Step 3: Cross multiply
    13,566.65x = 20,353.19 × 5,664.76
  4. Step 4: Simplify right side
    13,566.65x = 115,295,857.38
  5. Step 5: Solve for x
    x = 115,295,857.38/13,566.65
  6. Step 6: Final answer
    x = 8,498.48

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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.