Home / 19,232.20-28,848.30-9,390.70

Finding the Fourth Proportional to 19,232.20, 28,848.30 and 9,390.70

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Solution

The fourth proportional to 19,232.20, 28,848.30 and 9,390.70 is: 14,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.20 : 28,848.30 = 9,390.70 : x
  2. Step 2: Convert to fraction form
    19,232.20/28,848.30 = 9,390.70/x
  3. Step 3: Cross multiply
    19,232.20x = 28,848.30 × 9,390.70
  4. Step 4: Simplify right side
    19,232.20x = 270,905,730.81
  5. Step 5: Solve for x
    x = 270,905,730.81/19,232.20
  6. Step 6: Final answer
    x = 14,086.05

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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.