Home / 11,473.90-15,833.58-6,438.34

Finding the Fourth Proportional to 11,473.90, 15,833.58 and 6,438.34

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Solution

The fourth proportional to 11,473.90, 15,833.58 and 6,438.34 is: 8,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.90 : 15,833.58 = 6,438.34 : x
  2. Step 2: Convert to fraction form
    11,473.90/15,833.58 = 6,438.34/x
  3. Step 3: Cross multiply
    11,473.90x = 15,833.58 × 6,438.34
  4. Step 4: Simplify right side
    11,473.90x = 101,941,878.04
  5. Step 5: Solve for x
    x = 101,941,878.04/11,473.90
  6. Step 6: Final answer
    x = 8,884.67

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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.