Home / 13,325.36-19,970.94-11,269.64

Finding the Fourth Proportional to 13,325.36, 19,970.94 and 11,269.64

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Solution

The fourth proportional to 13,325.36, 19,970.94 and 11,269.64 is: 16,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.36 : 19,970.94 = 11,269.64 : x
  2. Step 2: Convert to fraction form
    13,325.36/19,970.94 = 11,269.64/x
  3. Step 3: Cross multiply
    13,325.36x = 19,970.94 × 11,269.64
  4. Step 4: Simplify right side
    13,325.36x = 225,065,304.26
  5. Step 5: Solve for x
    x = 225,065,304.26/13,325.36
  6. Step 6: Final answer
    x = 16,890.00

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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.