Home / 20,946.80-28,893.72-14,968.14

Finding the Fourth Proportional to 20,946.80, 28,893.72 and 14,968.14

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Solution

The fourth proportional to 20,946.80, 28,893.72 and 14,968.14 is: 20,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.80 : 28,893.72 = 14,968.14 : x
  2. Step 2: Convert to fraction form
    20,946.80/28,893.72 = 14,968.14/x
  3. Step 3: Cross multiply
    20,946.80x = 28,893.72 × 14,968.14
  4. Step 4: Simplify right side
    20,946.80x = 432,485,246.08
  5. Step 5: Solve for x
    x = 432,485,246.08/20,946.80
  6. Step 6: Final answer
    x = 20,646.84

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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.