Home / 19,928.34-29,877.01-12,893.49

Finding the Fourth Proportional to 19,928.34, 29,877.01 and 12,893.49

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Solution

The fourth proportional to 19,928.34, 29,877.01 and 12,893.49 is: 19,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.34 : 29,877.01 = 12,893.49 : x
  2. Step 2: Convert to fraction form
    19,928.34/29,877.01 = 12,893.49/x
  3. Step 3: Cross multiply
    19,928.34x = 29,877.01 × 12,893.49
  4. Step 4: Simplify right side
    19,928.34x = 385,218,897.43
  5. Step 5: Solve for x
    x = 385,218,897.43/19,928.34
  6. Step 6: Final answer
    x = 19,330.20

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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.