Home / 13,237.82-19,856.73-4,917.65

Finding the Fourth Proportional to 13,237.82, 19,856.73 and 4,917.65

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Solution

The fourth proportional to 13,237.82, 19,856.73 and 4,917.65 is: 7,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.82 : 19,856.73 = 4,917.65 : x
  2. Step 2: Convert to fraction form
    13,237.82/19,856.73 = 4,917.65/x
  3. Step 3: Cross multiply
    13,237.82x = 19,856.73 × 4,917.65
  4. Step 4: Simplify right side
    13,237.82x = 97,648,448.28
  5. Step 5: Solve for x
    x = 97,648,448.28/13,237.82
  6. Step 6: Final answer
    x = 7,376.48

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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.