Home / 19,089.72-28,634.58-9,856.44

Finding the Fourth Proportional to 19,089.72, 28,634.58 and 9,856.44

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Solution

The fourth proportional to 19,089.72, 28,634.58 and 9,856.44 is: 14,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.72 : 28,634.58 = 9,856.44 : x
  2. Step 2: Convert to fraction form
    19,089.72/28,634.58 = 9,856.44/x
  3. Step 3: Cross multiply
    19,089.72x = 28,634.58 × 9,856.44
  4. Step 4: Simplify right side
    19,089.72x = 282,235,019.70
  5. Step 5: Solve for x
    x = 282,235,019.70/19,089.72
  6. Step 6: Final answer
    x = 14,784.66

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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.