Home / 13,460.29-20,190.51-4,695.21

Finding the Fourth Proportional to 13,460.29, 20,190.51 and 4,695.21

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Solution

The fourth proportional to 13,460.29, 20,190.51 and 4,695.21 is: 7,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.29 : 20,190.51 = 4,695.21 : x
  2. Step 2: Convert to fraction form
    13,460.29/20,190.51 = 4,695.21/x
  3. Step 3: Cross multiply
    13,460.29x = 20,190.51 × 4,695.21
  4. Step 4: Simplify right side
    13,460.29x = 94,798,684.46
  5. Step 5: Solve for x
    x = 94,798,684.46/13,460.29
  6. Step 6: Final answer
    x = 7,042.84

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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.