Home / 19,150.60-28,749.30-10,836.40

Finding the Fourth Proportional to 19,150.60, 28,749.30 and 10,836.40

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Solution

The fourth proportional to 19,150.60, 28,749.30 and 10,836.40 is: 16,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.60 : 28,749.30 = 10,836.40 : x
  2. Step 2: Convert to fraction form
    19,150.60/28,749.30 = 10,836.40/x
  3. Step 3: Cross multiply
    19,150.60x = 28,749.30 × 10,836.40
  4. Step 4: Simplify right side
    19,150.60x = 311,538,914.52
  5. Step 5: Solve for x
    x = 311,538,914.52/19,150.60
  6. Step 6: Final answer
    x = 16,267.84

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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.