Home / 13,350.06-18,423.67-8,317.26

Finding the Fourth Proportional to 13,350.06, 18,423.67 and 8,317.26

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Solution

The fourth proportional to 13,350.06, 18,423.67 and 8,317.26 is: 11,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.06 : 18,423.67 = 8,317.26 : x
  2. Step 2: Convert to fraction form
    13,350.06/18,423.67 = 8,317.26/x
  3. Step 3: Cross multiply
    13,350.06x = 18,423.67 × 8,317.26
  4. Step 4: Simplify right side
    13,350.06x = 153,234,453.54
  5. Step 5: Solve for x
    x = 153,234,453.54/13,350.06
  6. Step 6: Final answer
    x = 11,478.18

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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.