Home / 11,360.42-15,679.68-6,646.22

Finding the Fourth Proportional to 11,360.42, 15,679.68 and 6,646.22

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Solution

The fourth proportional to 11,360.42, 15,679.68 and 6,646.22 is: 9,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.42 : 15,679.68 = 6,646.22 : x
  2. Step 2: Convert to fraction form
    11,360.42/15,679.68 = 6,646.22/x
  3. Step 3: Cross multiply
    11,360.42x = 15,679.68 × 6,646.22
  4. Step 4: Simplify right side
    11,360.42x = 104,210,602.81
  5. Step 5: Solve for x
    x = 104,210,602.81/11,360.42
  6. Step 6: Final answer
    x = 9,173.13

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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.