Home / 13,464.02-18,578.16-7,495.56

Finding the Fourth Proportional to 13,464.02, 18,578.16 and 7,495.56

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Solution

The fourth proportional to 13,464.02, 18,578.16 and 7,495.56 is: 10,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.02 : 18,578.16 = 7,495.56 : x
  2. Step 2: Convert to fraction form
    13,464.02/18,578.16 = 7,495.56/x
  3. Step 3: Cross multiply
    13,464.02x = 18,578.16 × 7,495.56
  4. Step 4: Simplify right side
    13,464.02x = 139,253,712.97
  5. Step 5: Solve for x
    x = 139,253,712.97/13,464.02
  6. Step 6: Final answer
    x = 10,342.65

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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.