Home / 9,953.06-13,735.28-5,477.28

Finding the Fourth Proportional to 9,953.06, 13,735.28 and 5,477.28

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Solution

The fourth proportional to 9,953.06, 13,735.28 and 5,477.28 is: 7,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.06 : 13,735.28 = 5,477.28 : x
  2. Step 2: Convert to fraction form
    9,953.06/13,735.28 = 5,477.28/x
  3. Step 3: Cross multiply
    9,953.06x = 13,735.28 × 5,477.28
  4. Step 4: Simplify right side
    9,953.06x = 75,231,974.44
  5. Step 5: Solve for x
    x = 75,231,974.44/9,953.06
  6. Step 6: Final answer
    x = 7,558.68

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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.