Home / 13,175.19-19,772.71-9,674.37

Finding the Fourth Proportional to 13,175.19, 19,772.71 and 9,674.37

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Solution

The fourth proportional to 13,175.19, 19,772.71 and 9,674.37 is: 14,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.19 : 19,772.71 = 9,674.37 : x
  2. Step 2: Convert to fraction form
    13,175.19/19,772.71 = 9,674.37/x
  3. Step 3: Cross multiply
    13,175.19x = 19,772.71 × 9,674.37
  4. Step 4: Simplify right side
    13,175.19x = 191,288,488.26
  5. Step 5: Solve for x
    x = 191,288,488.26/13,175.19
  6. Step 6: Final answer
    x = 14,518.84

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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.