Home / 9,742.47-13,435.64-6,384.06

Finding the Fourth Proportional to 9,742.47, 13,435.64 and 6,384.06

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Solution

The fourth proportional to 9,742.47, 13,435.64 and 6,384.06 is: 8,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.47 : 13,435.64 = 6,384.06 : x
  2. Step 2: Convert to fraction form
    9,742.47/13,435.64 = 6,384.06/x
  3. Step 3: Cross multiply
    9,742.47x = 13,435.64 × 6,384.06
  4. Step 4: Simplify right side
    9,742.47x = 85,773,832.80
  5. Step 5: Solve for x
    x = 85,773,832.80/9,742.47
  6. Step 6: Final answer
    x = 8,804.12

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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.