Home / 11,670.81-17,506.13-2,905.67

Finding the Fourth Proportional to 11,670.81, 17,506.13 and 2,905.67

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Solution

The fourth proportional to 11,670.81, 17,506.13 and 2,905.67 is: 4,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.81 : 17,506.13 = 2,905.67 : x
  2. Step 2: Convert to fraction form
    11,670.81/17,506.13 = 2,905.67/x
  3. Step 3: Cross multiply
    11,670.81x = 17,506.13 × 2,905.67
  4. Step 4: Simplify right side
    11,670.81x = 50,866,934.70
  5. Step 5: Solve for x
    x = 50,866,934.70/11,670.81
  6. Step 6: Final answer
    x = 4,358.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.