Home / 11,463.93-15,829.56-9,339.77

Finding the Fourth Proportional to 11,463.93, 15,829.56 and 9,339.77

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Solution

The fourth proportional to 11,463.93, 15,829.56 and 9,339.77 is: 12,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.93 : 15,829.56 = 9,339.77 : x
  2. Step 2: Convert to fraction form
    11,463.93/15,829.56 = 9,339.77/x
  3. Step 3: Cross multiply
    11,463.93x = 15,829.56 × 9,339.77
  4. Step 4: Simplify right side
    11,463.93x = 147,844,489.18
  5. Step 5: Solve for x
    x = 147,844,489.18/11,463.93
  6. Step 6: Final answer
    x = 12,896.49

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1.5x scale

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.