Home / 9,603.77-13,258.44-6,635.59

Finding the Fourth Proportional to 9,603.77, 13,258.44 and 6,635.59

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Solution

The fourth proportional to 9,603.77, 13,258.44 and 6,635.59 is: 9,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.77 : 13,258.44 = 6,635.59 : x
  2. Step 2: Convert to fraction form
    9,603.77/13,258.44 = 6,635.59/x
  3. Step 3: Cross multiply
    9,603.77x = 13,258.44 × 6,635.59
  4. Step 4: Simplify right side
    9,603.77x = 87,977,472.41
  5. Step 5: Solve for x
    x = 87,977,472.41/9,603.77
  6. Step 6: Final answer
    x = 9,160.72

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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.