Home / 14,204.60-21,197.43-12,476.87

Finding the Fourth Proportional to 14,204.60, 21,197.43 and 12,476.87

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Solution

The fourth proportional to 14,204.60, 21,197.43 and 12,476.87 is: 18,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.60 : 21,197.43 = 12,476.87 : x
  2. Step 2: Convert to fraction form
    14,204.60/21,197.43 = 12,476.87/x
  3. Step 3: Cross multiply
    14,204.60x = 21,197.43 × 12,476.87
  4. Step 4: Simplify right side
    14,204.60x = 264,477,551.95
  5. Step 5: Solve for x
    x = 264,477,551.95/14,204.60
  6. Step 6: Final answer
    x = 18,619.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.