Home / 13,236.93-18,267.39-7,647.93

Finding the Fourth Proportional to 13,236.93, 18,267.39 and 7,647.93

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Solution

The fourth proportional to 13,236.93, 18,267.39 and 7,647.93 is: 10,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.93 : 18,267.39 = 7,647.93 : x
  2. Step 2: Convert to fraction form
    13,236.93/18,267.39 = 7,647.93/x
  3. Step 3: Cross multiply
    13,236.93x = 18,267.39 × 7,647.93
  4. Step 4: Simplify right side
    13,236.93x = 139,707,720.00
  5. Step 5: Solve for x
    x = 139,707,720.00/13,236.93
  6. Step 6: Final answer
    x = 10,554.39

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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.