Home / 11,345.64-15,654.66-6,629.01

Finding the Fourth Proportional to 11,345.64, 15,654.66 and 6,629.01

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Solution

The fourth proportional to 11,345.64, 15,654.66 and 6,629.01 is: 9,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.64 : 15,654.66 = 6,629.01 : x
  2. Step 2: Convert to fraction form
    11,345.64/15,654.66 = 6,629.01/x
  3. Step 3: Cross multiply
    11,345.64x = 15,654.66 × 6,629.01
  4. Step 4: Simplify right side
    11,345.64x = 103,774,897.69
  5. Step 5: Solve for x
    x = 103,774,897.69/11,345.64
  6. Step 6: Final answer
    x = 9,146.68

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Why These Related Problems?

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