Home / 13,589.58-18,744.99-9,818.28

Finding the Fourth Proportional to 13,589.58, 18,744.99 and 9,818.28

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Solution

The fourth proportional to 13,589.58, 18,744.99 and 9,818.28 is: 13,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.58 : 18,744.99 = 9,818.28 : x
  2. Step 2: Convert to fraction form
    13,589.58/18,744.99 = 9,818.28/x
  3. Step 3: Cross multiply
    13,589.58x = 18,744.99 × 9,818.28
  4. Step 4: Simplify right side
    13,589.58x = 184,043,560.42
  5. Step 5: Solve for x
    x = 184,043,560.42/13,589.58
  6. Step 6: Final answer
    x = 13,542.99

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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.