Home / 10,027.84-13,838.26-5,551.72

Finding the Fourth Proportional to 10,027.84, 13,838.26 and 5,551.72

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Solution

The fourth proportional to 10,027.84, 13,838.26 and 5,551.72 is: 7,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.84 : 13,838.26 = 5,551.72 : x
  2. Step 2: Convert to fraction form
    10,027.84/13,838.26 = 5,551.72/x
  3. Step 3: Cross multiply
    10,027.84x = 13,838.26 × 5,551.72
  4. Step 4: Simplify right side
    10,027.84x = 76,826,144.81
  5. Step 5: Solve for x
    x = 76,826,144.81/10,027.84
  6. Step 6: Final answer
    x = 7,661.29

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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.