Home / 13,095.26-18,074.86-8,317.50

Finding the Fourth Proportional to 13,095.26, 18,074.86 and 8,317.50

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Solution

The fourth proportional to 13,095.26, 18,074.86 and 8,317.50 is: 11,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.26 : 18,074.86 = 8,317.50 : x
  2. Step 2: Convert to fraction form
    13,095.26/18,074.86 = 8,317.50/x
  3. Step 3: Cross multiply
    13,095.26x = 18,074.86 × 8,317.50
  4. Step 4: Simplify right side
    13,095.26x = 150,337,648.05
  5. Step 5: Solve for x
    x = 150,337,648.05/13,095.26
  6. Step 6: Final answer
    x = 11,480.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.