Home / 19,392.84-29,087.63-7,702.92

Finding the Fourth Proportional to 19,392.84, 29,087.63 and 7,702.92

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Solution

The fourth proportional to 19,392.84, 29,087.63 and 7,702.92 is: 11,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.84 : 29,087.63 = 7,702.92 : x
  2. Step 2: Convert to fraction form
    19,392.84/29,087.63 = 7,702.92/x
  3. Step 3: Cross multiply
    19,392.84x = 29,087.63 × 7,702.92
  4. Step 4: Simplify right side
    19,392.84x = 224,059,686.88
  5. Step 5: Solve for x
    x = 224,059,686.88/19,392.84
  6. Step 6: Final answer
    x = 11,553.73

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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.