Home / 11,582.46-15,986.07-7,805.70

Finding the Fourth Proportional to 11,582.46, 15,986.07 and 7,805.70

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Solution

The fourth proportional to 11,582.46, 15,986.07 and 7,805.70 is: 10,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.46 : 15,986.07 = 7,805.70 : x
  2. Step 2: Convert to fraction form
    11,582.46/15,986.07 = 7,805.70/x
  3. Step 3: Cross multiply
    11,582.46x = 15,986.07 × 7,805.70
  4. Step 4: Simplify right side
    11,582.46x = 124,782,466.60
  5. Step 5: Solve for x
    x = 124,782,466.60/11,582.46
  6. Step 6: Final answer
    x = 10,773.40

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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.