Home / 14,274.41-19,653.93-12,962.21

Finding the Fourth Proportional to 14,274.41, 19,653.93 and 12,962.21

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Solution

The fourth proportional to 14,274.41, 19,653.93 and 12,962.21 is: 17,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.41 : 19,653.93 = 12,962.21 : x
  2. Step 2: Convert to fraction form
    14,274.41/19,653.93 = 12,962.21/x
  3. Step 3: Cross multiply
    14,274.41x = 19,653.93 × 12,962.21
  4. Step 4: Simplify right side
    14,274.41x = 254,758,367.99
  5. Step 5: Solve for x
    x = 254,758,367.99/14,274.41
  6. Step 6: Final answer
    x = 17,847.21

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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.