Home / 13,187.70-19,789.35-4,873.59

Finding the Fourth Proportional to 13,187.70, 19,789.35 and 4,873.59

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Solution

The fourth proportional to 13,187.70, 19,789.35 and 4,873.59 is: 7,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.70 : 19,789.35 = 4,873.59 : x
  2. Step 2: Convert to fraction form
    13,187.70/19,789.35 = 4,873.59/x
  3. Step 3: Cross multiply
    13,187.70x = 19,789.35 × 4,873.59
  4. Step 4: Simplify right side
    13,187.70x = 96,445,178.27
  5. Step 5: Solve for x
    x = 96,445,178.27/13,187.70
  6. Step 6: Final answer
    x = 7,313.27

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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.