Home / 19,237.60-28,856.40-7,544.80

Finding the Fourth Proportional to 19,237.60, 28,856.40 and 7,544.80

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Solution

The fourth proportional to 19,237.60, 28,856.40 and 7,544.80 is: 11,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.60 : 28,856.40 = 7,544.80 : x
  2. Step 2: Convert to fraction form
    19,237.60/28,856.40 = 7,544.80/x
  3. Step 3: Cross multiply
    19,237.60x = 28,856.40 × 7,544.80
  4. Step 4: Simplify right side
    19,237.60x = 217,715,766.72
  5. Step 5: Solve for x
    x = 217,715,766.72/19,237.60
  6. Step 6: Final answer
    x = 11,317.20

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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.