Home / 10,971.72-16,459.28-3,574.45

Finding the Fourth Proportional to 10,971.72, 16,459.28 and 3,574.45

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Solution

The fourth proportional to 10,971.72, 16,459.28 and 3,574.45 is: 5,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.72 : 16,459.28 = 3,574.45 : x
  2. Step 2: Convert to fraction form
    10,971.72/16,459.28 = 3,574.45/x
  3. Step 3: Cross multiply
    10,971.72x = 16,459.28 × 3,574.45
  4. Step 4: Simplify right side
    10,971.72x = 58,832,948.36
  5. Step 5: Solve for x
    x = 58,832,948.36/10,971.72
  6. Step 6: Final answer
    x = 5,362.24

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