Home / 20,463.54-28,240.02-12,504.12

Finding the Fourth Proportional to 20,463.54, 28,240.02 and 12,504.12

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Solution

The fourth proportional to 20,463.54, 28,240.02 and 12,504.12 is: 17,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.54 : 28,240.02 = 12,504.12 : x
  2. Step 2: Convert to fraction form
    20,463.54/28,240.02 = 12,504.12/x
  3. Step 3: Cross multiply
    20,463.54x = 28,240.02 × 12,504.12
  4. Step 4: Simplify right side
    20,463.54x = 353,116,598.88
  5. Step 5: Solve for x
    x = 353,116,598.88/20,463.54
  6. Step 6: Final answer
    x = 17,255.89

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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.