Home / 13,495.60-18,632.60-8,466.72

Finding the Fourth Proportional to 13,495.60, 18,632.60 and 8,466.72

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Solution

The fourth proportional to 13,495.60, 18,632.60 and 8,466.72 is: 11,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.60 : 18,632.60 = 8,466.72 : x
  2. Step 2: Convert to fraction form
    13,495.60/18,632.60 = 8,466.72/x
  3. Step 3: Cross multiply
    13,495.60x = 18,632.60 × 8,466.72
  4. Step 4: Simplify right side
    13,495.60x = 157,757,007.07
  5. Step 5: Solve for x
    x = 157,757,007.07/13,495.60
  6. Step 6: Final answer
    x = 11,689.51

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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.