Home / 10,317.68-15,475.76-5,921.36

Finding the Fourth Proportional to 10,317.68, 15,475.76 and 5,921.36

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Solution

The fourth proportional to 10,317.68, 15,475.76 and 5,921.36 is: 8,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.68 : 15,475.76 = 5,921.36 : x
  2. Step 2: Convert to fraction form
    10,317.68/15,475.76 = 5,921.36/x
  3. Step 3: Cross multiply
    10,317.68x = 15,475.76 × 5,921.36
  4. Step 4: Simplify right side
    10,317.68x = 91,637,546.23
  5. Step 5: Solve for x
    x = 91,637,546.23/10,317.68
  6. Step 6: Final answer
    x = 8,881.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.