Home / 13,884.03-19,152.81-9,406.26

Finding the Fourth Proportional to 13,884.03, 19,152.81 and 9,406.26

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Solution

The fourth proportional to 13,884.03, 19,152.81 and 9,406.26 is: 12,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.03 : 19,152.81 = 9,406.26 : x
  2. Step 2: Convert to fraction form
    13,884.03/19,152.81 = 9,406.26/x
  3. Step 3: Cross multiply
    13,884.03x = 19,152.81 × 9,406.26
  4. Step 4: Simplify right side
    13,884.03x = 180,156,310.59
  5. Step 5: Solve for x
    x = 180,156,310.59/13,884.03
  6. Step 6: Final answer
    x = 12,975.79

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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.