Home / 13,170.54-19,763.60-4,856.40

Finding the Fourth Proportional to 13,170.54, 19,763.60 and 4,856.40

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Solution

The fourth proportional to 13,170.54, 19,763.60 and 4,856.40 is: 7,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.54 : 19,763.60 = 4,856.40 : x
  2. Step 2: Convert to fraction form
    13,170.54/19,763.60 = 4,856.40/x
  3. Step 3: Cross multiply
    13,170.54x = 19,763.60 × 4,856.40
  4. Step 4: Simplify right side
    13,170.54x = 95,979,947.04
  5. Step 5: Solve for x
    x = 95,979,947.04/13,170.54
  6. Step 6: Final answer
    x = 7,287.47

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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.