Home / 19,241.12-28,834.32-8,554.40

Finding the Fourth Proportional to 19,241.12, 28,834.32 and 8,554.40

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Solution

The fourth proportional to 19,241.12, 28,834.32 and 8,554.40 is: 12,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.12 : 28,834.32 = 8,554.40 : x
  2. Step 2: Convert to fraction form
    19,241.12/28,834.32 = 8,554.40/x
  3. Step 3: Cross multiply
    19,241.12x = 28,834.32 × 8,554.40
  4. Step 4: Simplify right side
    19,241.12x = 246,660,307.01
  5. Step 5: Solve for x
    x = 246,660,307.01/19,241.12
  6. Step 6: Final answer
    x = 12,819.44

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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.