Home / 14,682.79-20,262.18-7,968.47

Finding the Fourth Proportional to 14,682.79, 20,262.18 and 7,968.47

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Solution

The fourth proportional to 14,682.79, 20,262.18 and 7,968.47 is: 10,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.79 : 20,262.18 = 7,968.47 : x
  2. Step 2: Convert to fraction form
    14,682.79/20,262.18 = 7,968.47/x
  3. Step 3: Cross multiply
    14,682.79x = 20,262.18 × 7,968.47
  4. Step 4: Simplify right side
    14,682.79x = 161,458,573.46
  5. Step 5: Solve for x
    x = 161,458,573.46/14,682.79
  6. Step 6: Final answer
    x = 10,996.45

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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.