Home / 12,603.60-18,896.13-6,360.57

Finding the Fourth Proportional to 12,603.60, 18,896.13 and 6,360.57

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Solution

The fourth proportional to 12,603.60, 18,896.13 and 6,360.57 is: 9,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.60 : 18,896.13 = 6,360.57 : x
  2. Step 2: Convert to fraction form
    12,603.60/18,896.13 = 6,360.57/x
  3. Step 3: Cross multiply
    12,603.60x = 18,896.13 × 6,360.57
  4. Step 4: Simplify right side
    12,603.60x = 120,190,157.59
  5. Step 5: Solve for x
    x = 120,190,157.59/12,603.60
  6. Step 6: Final answer
    x = 9,536.18

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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.