Home / 13,505.02-20,266.59-4,739.96

Finding the Fourth Proportional to 13,505.02, 20,266.59 and 4,739.96

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Solution

The fourth proportional to 13,505.02, 20,266.59 and 4,739.96 is: 7,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.02 : 20,266.59 = 4,739.96 : x
  2. Step 2: Convert to fraction form
    13,505.02/20,266.59 = 4,739.96/x
  3. Step 3: Cross multiply
    13,505.02x = 20,266.59 × 4,739.96
  4. Step 4: Simplify right side
    13,505.02x = 96,062,825.94
  5. Step 5: Solve for x
    x = 96,062,825.94/13,505.02
  6. Step 6: Final answer
    x = 7,113.12

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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.