Home / 19,226.60-28,856.10-9,374.30

Finding the Fourth Proportional to 19,226.60, 28,856.10 and 9,374.30

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Solution

The fourth proportional to 19,226.60, 28,856.10 and 9,374.30 is: 14,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.60 : 28,856.10 = 9,374.30 : x
  2. Step 2: Convert to fraction form
    19,226.60/28,856.10 = 9,374.30/x
  3. Step 3: Cross multiply
    19,226.60x = 28,856.10 × 9,374.30
  4. Step 4: Simplify right side
    19,226.60x = 270,505,738.23
  5. Step 5: Solve for x
    x = 270,505,738.23/19,226.60
  6. Step 6: Final answer
    x = 14,069.35

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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.