Home / 9,953.28-13,735.62-5,477.40

Finding the Fourth Proportional to 9,953.28, 13,735.62 and 5,477.40

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Solution

The fourth proportional to 9,953.28, 13,735.62 and 5,477.40 is: 7,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.28 : 13,735.62 = 5,477.40 : x
  2. Step 2: Convert to fraction form
    9,953.28/13,735.62 = 5,477.40/x
  3. Step 3: Cross multiply
    9,953.28x = 13,735.62 × 5,477.40
  4. Step 4: Simplify right side
    9,953.28x = 75,235,484.99
  5. Step 5: Solve for x
    x = 75,235,484.99/9,953.28
  6. Step 6: Final answer
    x = 7,558.86

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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.