Home / 11,712.33-17,558.37-4,312.98

Finding the Fourth Proportional to 11,712.33, 17,558.37 and 4,312.98

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Solution

The fourth proportional to 11,712.33, 17,558.37 and 4,312.98 is: 6,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.33 : 17,558.37 = 4,312.98 : x
  2. Step 2: Convert to fraction form
    11,712.33/17,558.37 = 4,312.98/x
  3. Step 3: Cross multiply
    11,712.33x = 17,558.37 × 4,312.98
  4. Step 4: Simplify right side
    11,712.33x = 75,728,898.64
  5. Step 5: Solve for x
    x = 75,728,898.64/11,712.33
  6. Step 6: Final answer
    x = 6,465.74

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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.