Home / 16,181.40-22,329.70-9,011.60

Finding the Fourth Proportional to 16,181.40, 22,329.70 and 9,011.60

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Solution

The fourth proportional to 16,181.40, 22,329.70 and 9,011.60 is: 12,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.40 : 22,329.70 = 9,011.60 : x
  2. Step 2: Convert to fraction form
    16,181.40/22,329.70 = 9,011.60/x
  3. Step 3: Cross multiply
    16,181.40x = 22,329.70 × 9,011.60
  4. Step 4: Simplify right side
    16,181.40x = 201,226,425.03
  5. Step 5: Solve for x
    x = 201,226,425.03/16,181.40
  6. Step 6: Final answer
    x = 12,435.67

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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.