Home / 12,862.91-19,296.52-4,429.08

Finding the Fourth Proportional to 12,862.91, 19,296.52 and 4,429.08

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Solution

The fourth proportional to 12,862.91, 19,296.52 and 4,429.08 is: 6,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.91 : 19,296.52 = 4,429.08 : x
  2. Step 2: Convert to fraction form
    12,862.91/19,296.52 = 4,429.08/x
  3. Step 3: Cross multiply
    12,862.91x = 19,296.52 × 4,429.08
  4. Step 4: Simplify right side
    12,862.91x = 85,465,830.80
  5. Step 5: Solve for x
    x = 85,465,830.80/12,862.91
  6. Step 6: Final answer
    x = 6,644.36

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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.