Home / 13,589.41-18,744.73-9,818.11

Finding the Fourth Proportional to 13,589.41, 18,744.73 and 9,818.11

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Solution

The fourth proportional to 13,589.41, 18,744.73 and 9,818.11 is: 13,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.41 : 18,744.73 = 9,818.11 : x
  2. Step 2: Convert to fraction form
    13,589.41/18,744.73 = 9,818.11/x
  3. Step 3: Cross multiply
    13,589.41x = 18,744.73 × 9,818.11
  4. Step 4: Simplify right side
    13,589.41x = 184,037,821.06
  5. Step 5: Solve for x
    x = 184,037,821.06/13,589.41
  6. Step 6: Final answer
    x = 13,542.74

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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.