Home / 18,464.66-25,502.48-13,451.30

Finding the Fourth Proportional to 18,464.66, 25,502.48 and 13,451.30

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Solution

The fourth proportional to 18,464.66, 25,502.48 and 13,451.30 is: 18,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.66 : 25,502.48 = 13,451.30 : x
  2. Step 2: Convert to fraction form
    18,464.66/25,502.48 = 13,451.30/x
  3. Step 3: Cross multiply
    18,464.66x = 25,502.48 × 13,451.30
  4. Step 4: Simplify right side
    18,464.66x = 343,041,509.22
  5. Step 5: Solve for x
    x = 343,041,509.22/18,464.66
  6. Step 6: Final answer
    x = 18,578.27

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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.