Home / 9,076.81-13,603.26-8,484.91

Finding the Fourth Proportional to 9,076.81, 13,603.26 and 8,484.91

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Solution

The fourth proportional to 9,076.81, 13,603.26 and 8,484.91 is: 12,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.81 : 13,603.26 = 8,484.91 : x
  2. Step 2: Convert to fraction form
    9,076.81/13,603.26 = 8,484.91/x
  3. Step 3: Cross multiply
    9,076.81x = 13,603.26 × 8,484.91
  4. Step 4: Simplify right side
    9,076.81x = 115,422,436.81
  5. Step 5: Solve for x
    x = 115,422,436.81/9,076.81
  6. Step 6: Final answer
    x = 12,716.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.