Home / 14,982.42-20,671.41-9,680.34

Finding the Fourth Proportional to 14,982.42, 20,671.41 and 9,680.34

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Solution

The fourth proportional to 14,982.42, 20,671.41 and 9,680.34 is: 13,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.42 : 20,671.41 = 9,680.34 : x
  2. Step 2: Convert to fraction form
    14,982.42/20,671.41 = 9,680.34/x
  3. Step 3: Cross multiply
    14,982.42x = 20,671.41 × 9,680.34
  4. Step 4: Simplify right side
    14,982.42x = 200,106,277.08
  5. Step 5: Solve for x
    x = 200,106,277.08/14,982.42
  6. Step 6: Final answer
    x = 13,356.07

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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.