Home / 11,688.48-16,127.28-6,651.54

Finding the Fourth Proportional to 11,688.48, 16,127.28 and 6,651.54

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Solution

The fourth proportional to 11,688.48, 16,127.28 and 6,651.54 is: 9,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.48 : 16,127.28 = 6,651.54 : x
  2. Step 2: Convert to fraction form
    11,688.48/16,127.28 = 6,651.54/x
  3. Step 3: Cross multiply
    11,688.48x = 16,127.28 × 6,651.54
  4. Step 4: Simplify right side
    11,688.48x = 107,271,248.01
  5. Step 5: Solve for x
    x = 107,271,248.01/11,688.48
  6. Step 6: Final answer
    x = 9,177.52

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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.