Home / 12,864.88-19,292.40-4,543.34

Finding the Fourth Proportional to 12,864.88, 19,292.40 and 4,543.34

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Solution

The fourth proportional to 12,864.88, 19,292.40 and 4,543.34 is: 6,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.88 : 19,292.40 = 4,543.34 : x
  2. Step 2: Convert to fraction form
    12,864.88/19,292.40 = 4,543.34/x
  3. Step 3: Cross multiply
    12,864.88x = 19,292.40 × 4,543.34
  4. Step 4: Simplify right side
    12,864.88x = 87,651,932.62
  5. Step 5: Solve for x
    x = 87,651,932.62/12,864.88
  6. Step 6: Final answer
    x = 6,813.27

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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.