Home / 13,984.02-20,983.32-5,670.18

Finding the Fourth Proportional to 13,984.02, 20,983.32 and 5,670.18

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Solution

The fourth proportional to 13,984.02, 20,983.32 and 5,670.18 is: 8,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.02 : 20,983.32 = 5,670.18 : x
  2. Step 2: Convert to fraction form
    13,984.02/20,983.32 = 5,670.18/x
  3. Step 3: Cross multiply
    13,984.02x = 20,983.32 × 5,670.18
  4. Step 4: Simplify right side
    13,984.02x = 118,979,122.71
  5. Step 5: Solve for x
    x = 118,979,122.71/13,984.02
  6. Step 6: Final answer
    x = 8,508.22

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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.