Home / 11,686.04-17,536.74-4,290.57

Finding the Fourth Proportional to 11,686.04, 17,536.74 and 4,290.57

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Solution

The fourth proportional to 11,686.04, 17,536.74 and 4,290.57 is: 6,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.04 : 17,536.74 = 4,290.57 : x
  2. Step 2: Convert to fraction form
    11,686.04/17,536.74 = 4,290.57/x
  3. Step 3: Cross multiply
    11,686.04x = 17,536.74 × 4,290.57
  4. Step 4: Simplify right side
    11,686.04x = 75,242,594.45
  5. Step 5: Solve for x
    x = 75,242,594.45/11,686.04
  6. Step 6: Final answer
    x = 6,438.67

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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.