Home / 13,174.32-19,764.12-4,290.24

Finding the Fourth Proportional to 13,174.32, 19,764.12 and 4,290.24

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Solution

The fourth proportional to 13,174.32, 19,764.12 and 4,290.24 is: 6,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.32 : 19,764.12 = 4,290.24 : x
  2. Step 2: Convert to fraction form
    13,174.32/19,764.12 = 4,290.24/x
  3. Step 3: Cross multiply
    13,174.32x = 19,764.12 × 4,290.24
  4. Step 4: Simplify right side
    13,174.32x = 84,792,818.19
  5. Step 5: Solve for x
    x = 84,792,818.19/13,174.32
  6. Step 6: Final answer
    x = 6,436.22

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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.