Home / 13,314.34-18,381.27-8,844.19

Finding the Fourth Proportional to 13,314.34, 18,381.27 and 8,844.19

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Solution

The fourth proportional to 13,314.34, 18,381.27 and 8,844.19 is: 12,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.34 : 18,381.27 = 8,844.19 : x
  2. Step 2: Convert to fraction form
    13,314.34/18,381.27 = 8,844.19/x
  3. Step 3: Cross multiply
    13,314.34x = 18,381.27 × 8,844.19
  4. Step 4: Simplify right side
    13,314.34x = 162,567,444.32
  5. Step 5: Solve for x
    x = 162,567,444.32/13,314.34
  6. Step 6: Final answer
    x = 12,209.95

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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.