Home / 13,296.56-18,348.66-7,328.61

Finding the Fourth Proportional to 13,296.56, 18,348.66 and 7,328.61

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Solution

The fourth proportional to 13,296.56, 18,348.66 and 7,328.61 is: 10,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.56 : 18,348.66 = 7,328.61 : x
  2. Step 2: Convert to fraction form
    13,296.56/18,348.66 = 7,328.61/x
  3. Step 3: Cross multiply
    13,296.56x = 18,348.66 × 7,328.61
  4. Step 4: Simplify right side
    13,296.56x = 134,470,173.16
  5. Step 5: Solve for x
    x = 134,470,173.16/13,296.56
  6. Step 6: Final answer
    x = 10,113.16

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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.