Home / 19,880.04-29,755.12-14,613.64

Finding the Fourth Proportional to 19,880.04, 29,755.12 and 14,613.64

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Solution

The fourth proportional to 19,880.04, 29,755.12 and 14,613.64 is: 21,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.04 : 29,755.12 = 14,613.64 : x
  2. Step 2: Convert to fraction form
    19,880.04/29,755.12 = 14,613.64/x
  3. Step 3: Cross multiply
    19,880.04x = 29,755.12 × 14,613.64
  4. Step 4: Simplify right side
    19,880.04x = 434,830,611.84
  5. Step 5: Solve for x
    x = 434,830,611.84/19,880.04
  6. Step 6: Final answer
    x = 21,872.72

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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.