Home / 22,620.06-31,209.39-13,541.67

Finding the Fourth Proportional to 22,620.06, 31,209.39 and 13,541.67

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Solution

The fourth proportional to 22,620.06, 31,209.39 and 13,541.67 is: 18,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.06 : 31,209.39 = 13,541.67 : x
  2. Step 2: Convert to fraction form
    22,620.06/31,209.39 = 13,541.67/x
  3. Step 3: Cross multiply
    22,620.06x = 31,209.39 × 13,541.67
  4. Step 4: Simplify right side
    22,620.06x = 422,627,260.28
  5. Step 5: Solve for x
    x = 422,627,260.28/22,620.06
  6. Step 6: Final answer
    x = 18,683.74

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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.