Home / 19,392.21-29,088.32-12,817.04

Finding the Fourth Proportional to 19,392.21, 29,088.32 and 12,817.04

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Solution

The fourth proportional to 19,392.21, 29,088.32 and 12,817.04 is: 19,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.21 : 29,088.32 = 12,817.04 : x
  2. Step 2: Convert to fraction form
    19,392.21/29,088.32 = 12,817.04/x
  3. Step 3: Cross multiply
    19,392.21x = 29,088.32 × 12,817.04
  4. Step 4: Simplify right side
    19,392.21x = 372,825,951.45
  5. Step 5: Solve for x
    x = 372,825,951.45/19,392.21
  6. Step 6: Final answer
    x = 19,225.55

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Similar ratio
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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.