Home / 14,137.63-21,203.71-4,274.60

Finding the Fourth Proportional to 14,137.63, 21,203.71 and 4,274.60

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Solution

The fourth proportional to 14,137.63, 21,203.71 and 4,274.60 is: 6,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.63 : 21,203.71 = 4,274.60 : x
  2. Step 2: Convert to fraction form
    14,137.63/21,203.71 = 4,274.60/x
  3. Step 3: Cross multiply
    14,137.63x = 21,203.71 × 4,274.60
  4. Step 4: Simplify right side
    14,137.63x = 90,637,262.06
  5. Step 5: Solve for x
    x = 90,637,262.06/14,137.63
  6. Step 6: Final answer
    x = 6,411.07

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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.