Home / 13,639.26-18,822.96-9,094.10

Finding the Fourth Proportional to 13,639.26, 18,822.96 and 9,094.10

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Solution

The fourth proportional to 13,639.26, 18,822.96 and 9,094.10 is: 12,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639.26 : 18,822.96 = 9,094.10 : x
  2. Step 2: Convert to fraction form
    13,639.26/18,822.96 = 9,094.10/x
  3. Step 3: Cross multiply
    13,639.26x = 18,822.96 × 9,094.10
  4. Step 4: Simplify right side
    13,639.26x = 171,177,835.07
  5. Step 5: Solve for x
    x = 171,177,835.07/13,639.26
  6. Step 6: Final answer
    x = 12,550.38

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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.