Home / 12,603.09-18,887.94-5,203.29

Finding the Fourth Proportional to 12,603.09, 18,887.94 and 5,203.29

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Solution

The fourth proportional to 12,603.09, 18,887.94 and 5,203.29 is: 7,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.09 : 18,887.94 = 5,203.29 : x
  2. Step 2: Convert to fraction form
    12,603.09/18,887.94 = 5,203.29/x
  3. Step 3: Cross multiply
    12,603.09x = 18,887.94 × 5,203.29
  4. Step 4: Simplify right side
    12,603.09x = 98,279,429.32
  5. Step 5: Solve for x
    x = 98,279,429.32/12,603.09
  6. Step 6: Final answer
    x = 7,798.04

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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.