Home / 12,536.03-17,299.95-6,870.69

Finding the Fourth Proportional to 12,536.03, 17,299.95 and 6,870.69

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Solution

The fourth proportional to 12,536.03, 17,299.95 and 6,870.69 is: 9,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.03 : 17,299.95 = 6,870.69 : x
  2. Step 2: Convert to fraction form
    12,536.03/17,299.95 = 6,870.69/x
  3. Step 3: Cross multiply
    12,536.03x = 17,299.95 × 6,870.69
  4. Step 4: Simplify right side
    12,536.03x = 118,862,567.70
  5. Step 5: Solve for x
    x = 118,862,567.70/12,536.03
  6. Step 6: Final answer
    x = 9,481.67

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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.