Home / 19,897.84-29,817.60-8,219.26

Finding the Fourth Proportional to 19,897.84, 29,817.60 and 8,219.26

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Solution

The fourth proportional to 19,897.84, 29,817.60 and 8,219.26 is: 12,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.84 : 29,817.60 = 8,219.26 : x
  2. Step 2: Convert to fraction form
    19,897.84/29,817.60 = 8,219.26/x
  3. Step 3: Cross multiply
    19,897.84x = 29,817.60 × 8,219.26
  4. Step 4: Simplify right side
    19,897.84x = 245,078,606.98
  5. Step 5: Solve for x
    x = 245,078,606.98/19,897.84
  6. Step 6: Final answer
    x = 12,316.84

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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.