Home / 18,743.46-25,863.48-12,038.18

Finding the Fourth Proportional to 18,743.46, 25,863.48 and 12,038.18

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Solution

The fourth proportional to 18,743.46, 25,863.48 and 12,038.18 is: 16,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.46 : 25,863.48 = 12,038.18 : x
  2. Step 2: Convert to fraction form
    18,743.46/25,863.48 = 12,038.18/x
  3. Step 3: Cross multiply
    18,743.46x = 25,863.48 × 12,038.18
  4. Step 4: Simplify right side
    18,743.46x = 311,349,098.35
  5. Step 5: Solve for x
    x = 311,349,098.35/18,743.46
  6. Step 6: Final answer
    x = 16,611.08

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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.