Home / 8,709.23-13,051.39-6,959.55

Finding the Fourth Proportional to 8,709.23, 13,051.39 and 6,959.55

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Solution

The fourth proportional to 8,709.23, 13,051.39 and 6,959.55 is: 10,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.23 : 13,051.39 = 6,959.55 : x
  2. Step 2: Convert to fraction form
    8,709.23/13,051.39 = 6,959.55/x
  3. Step 3: Cross multiply
    8,709.23x = 13,051.39 × 6,959.55
  4. Step 4: Simplify right side
    8,709.23x = 90,831,833.90
  5. Step 5: Solve for x
    x = 90,831,833.90/8,709.23
  6. Step 6: Final answer
    x = 10,429.38

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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.