Home / 12,585.08-17,366.36-6,919.67

Finding the Fourth Proportional to 12,585.08, 17,366.36 and 6,919.67

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Solution

The fourth proportional to 12,585.08, 17,366.36 and 6,919.67 is: 9,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.08 : 17,366.36 = 6,919.67 : x
  2. Step 2: Convert to fraction form
    12,585.08/17,366.36 = 6,919.67/x
  3. Step 3: Cross multiply
    12,585.08x = 17,366.36 × 6,919.67
  4. Step 4: Simplify right side
    12,585.08x = 120,169,480.30
  5. Step 5: Solve for x
    x = 120,169,480.30/12,585.08
  6. Step 6: Final answer
    x = 9,548.57

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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.