Home / 14,968.42-20,656.56-8,253.87

Finding the Fourth Proportional to 14,968.42, 20,656.56 and 8,253.87

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Solution

The fourth proportional to 14,968.42, 20,656.56 and 8,253.87 is: 11,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.42 : 20,656.56 = 8,253.87 : x
  2. Step 2: Convert to fraction form
    14,968.42/20,656.56 = 8,253.87/x
  3. Step 3: Cross multiply
    14,968.42x = 20,656.56 × 8,253.87
  4. Step 4: Simplify right side
    14,968.42x = 170,496,630.63
  5. Step 5: Solve for x
    x = 170,496,630.63/14,968.42
  6. Step 6: Final answer
    x = 11,390.42

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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.