Home / 18,559.81-25,578.20-13,182.49

Finding the Fourth Proportional to 18,559.81, 25,578.20 and 13,182.49

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Solution

The fourth proportional to 18,559.81, 25,578.20 and 13,182.49 is: 18,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.81 : 25,578.20 = 13,182.49 : x
  2. Step 2: Convert to fraction form
    18,559.81/25,578.20 = 13,182.49/x
  3. Step 3: Cross multiply
    18,559.81x = 25,578.20 × 13,182.49
  4. Step 4: Simplify right side
    18,559.81x = 337,184,365.72
  5. Step 5: Solve for x
    x = 337,184,365.72/18,559.81
  6. Step 6: Final answer
    x = 18,167.45

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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.