Home / 14,121.24-19,488.22-8,153.30

Finding the Fourth Proportional to 14,121.24, 19,488.22 and 8,153.30

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Solution

The fourth proportional to 14,121.24, 19,488.22 and 8,153.30 is: 11,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.24 : 19,488.22 = 8,153.30 : x
  2. Step 2: Convert to fraction form
    14,121.24/19,488.22 = 8,153.30/x
  3. Step 3: Cross multiply
    14,121.24x = 19,488.22 × 8,153.30
  4. Step 4: Simplify right side
    14,121.24x = 158,893,304.13
  5. Step 5: Solve for x
    x = 158,893,304.13/14,121.24
  6. Step 6: Final answer
    x = 11,252.08

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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.