Home / 19,294.57-28,951.23-8,771.45

Finding the Fourth Proportional to 19,294.57, 28,951.23 and 8,771.45

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Solution

The fourth proportional to 19,294.57, 28,951.23 and 8,771.45 is: 13,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.57 : 28,951.23 = 8,771.45 : x
  2. Step 2: Convert to fraction form
    19,294.57/28,951.23 = 8,771.45/x
  3. Step 3: Cross multiply
    19,294.57x = 28,951.23 × 8,771.45
  4. Step 4: Simplify right side
    19,294.57x = 253,944,266.38
  5. Step 5: Solve for x
    x = 253,944,266.38/19,294.57
  6. Step 6: Final answer
    x = 13,161.44

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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.