Home / 19,098.20-28,653.30-9,237.80

Finding the Fourth Proportional to 19,098.20, 28,653.30 and 9,237.80

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Solution

The fourth proportional to 19,098.20, 28,653.30 and 9,237.80 is: 13,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.20 : 28,653.30 = 9,237.80 : x
  2. Step 2: Convert to fraction form
    19,098.20/28,653.30 = 9,237.80/x
  3. Step 3: Cross multiply
    19,098.20x = 28,653.30 × 9,237.80
  4. Step 4: Simplify right side
    19,098.20x = 264,693,454.74
  5. Step 5: Solve for x
    x = 264,693,454.74/19,098.20
  6. Step 6: Final answer
    x = 13,859.60

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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.