Home / 13,111.36-19,659.70-4,341.48

Finding the Fourth Proportional to 13,111.36, 19,659.70 and 4,341.48

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Solution

The fourth proportional to 13,111.36, 19,659.70 and 4,341.48 is: 6,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111.36 : 19,659.70 = 4,341.48 : x
  2. Step 2: Convert to fraction form
    13,111.36/19,659.70 = 4,341.48/x
  3. Step 3: Cross multiply
    13,111.36x = 19,659.70 × 4,341.48
  4. Step 4: Simplify right side
    13,111.36x = 85,352,194.36
  5. Step 5: Solve for x
    x = 85,352,194.36/13,111.36
  6. Step 6: Final answer
    x = 6,509.79

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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.