Home / 13,268.98-18,310.64-7,603.24

Finding the Fourth Proportional to 13,268.98, 18,310.64 and 7,603.24

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Solution

The fourth proportional to 13,268.98, 18,310.64 and 7,603.24 is: 10,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.98 : 18,310.64 = 7,603.24 : x
  2. Step 2: Convert to fraction form
    13,268.98/18,310.64 = 7,603.24/x
  3. Step 3: Cross multiply
    13,268.98x = 18,310.64 × 7,603.24
  4. Step 4: Simplify right side
    13,268.98x = 139,220,190.47
  5. Step 5: Solve for x
    x = 139,220,190.47/13,268.98
  6. Step 6: Final answer
    x = 10,492.15

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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.