Home / 13,666.15-20,505.61-5,344.01

Finding the Fourth Proportional to 13,666.15, 20,505.61 and 5,344.01

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Solution

The fourth proportional to 13,666.15, 20,505.61 and 5,344.01 is: 8,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.15 : 20,505.61 = 5,344.01 : x
  2. Step 2: Convert to fraction form
    13,666.15/20,505.61 = 5,344.01/x
  3. Step 3: Cross multiply
    13,666.15x = 20,505.61 × 5,344.01
  4. Step 4: Simplify right side
    13,666.15x = 109,582,184.90
  5. Step 5: Solve for x
    x = 109,582,184.90/13,666.15
  6. Step 6: Final answer
    x = 8,018.51

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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.