Home / 13,276.29-18,328.86-8,806.17

Finding the Fourth Proportional to 13,276.29, 18,328.86 and 8,806.17

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Solution

The fourth proportional to 13,276.29, 18,328.86 and 8,806.17 is: 12,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.29 : 18,328.86 = 8,806.17 : x
  2. Step 2: Convert to fraction form
    13,276.29/18,328.86 = 8,806.17/x
  3. Step 3: Cross multiply
    13,276.29x = 18,328.86 × 8,806.17
  4. Step 4: Simplify right side
    13,276.29x = 161,407,057.07
  5. Step 5: Solve for x
    x = 161,407,057.07/13,276.29
  6. Step 6: Final answer
    x = 12,157.54

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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.