Home / 13,294.02-18,345.90-7,325.64

Finding the Fourth Proportional to 13,294.02, 18,345.90 and 7,325.64

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Solution

The fourth proportional to 13,294.02, 18,345.90 and 7,325.64 is: 10,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.02 : 18,345.90 = 7,325.64 : x
  2. Step 2: Convert to fraction form
    13,294.02/18,345.90 = 7,325.64/x
  3. Step 3: Cross multiply
    13,294.02x = 18,345.90 × 7,325.64
  4. Step 4: Simplify right side
    13,294.02x = 134,395,458.88
  5. Step 5: Solve for x
    x = 134,395,458.88/13,294.02
  6. Step 6: Final answer
    x = 10,109.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.