Home / 13,665.34-20,473.29-6,275.98

Finding the Fourth Proportional to 13,665.34, 20,473.29 and 6,275.98

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Solution

The fourth proportional to 13,665.34, 20,473.29 and 6,275.98 is: 9,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.34 : 20,473.29 = 6,275.98 : x
  2. Step 2: Convert to fraction form
    13,665.34/20,473.29 = 6,275.98/x
  3. Step 3: Cross multiply
    13,665.34x = 20,473.29 × 6,275.98
  4. Step 4: Simplify right side
    13,665.34x = 128,489,958.57
  5. Step 5: Solve for x
    x = 128,489,958.57/13,665.34
  6. Step 6: Final answer
    x = 9,402.62

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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.