Home / 14,106.42-21,162.72-12,040.74

Finding the Fourth Proportional to 14,106.42, 21,162.72 and 12,040.74

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Solution

The fourth proportional to 14,106.42, 21,162.72 and 12,040.74 is: 18,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.42 : 21,162.72 = 12,040.74 : x
  2. Step 2: Convert to fraction form
    14,106.42/21,162.72 = 12,040.74/x
  3. Step 3: Cross multiply
    14,106.42x = 21,162.72 × 12,040.74
  4. Step 4: Simplify right side
    14,106.42x = 254,814,809.21
  5. Step 5: Solve for x
    x = 254,814,809.21/14,106.42
  6. Step 6: Final answer
    x = 18,063.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.