Home / 13,464.09-18,578.22-7,495.62

Finding the Fourth Proportional to 13,464.09, 18,578.22 and 7,495.62

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Solution

The fourth proportional to 13,464.09, 18,578.22 and 7,495.62 is: 10,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.09 : 18,578.22 = 7,495.62 : x
  2. Step 2: Convert to fraction form
    13,464.09/18,578.22 = 7,495.62/x
  3. Step 3: Cross multiply
    13,464.09x = 18,578.22 × 7,495.62
  4. Step 4: Simplify right side
    13,464.09x = 139,255,277.40
  5. Step 5: Solve for x
    x = 139,255,277.40/13,464.09
  6. Step 6: Final answer
    x = 10,342.72

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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.