Home / 10,085.37-13,913.15-6,306.09

Finding the Fourth Proportional to 10,085.37, 13,913.15 and 6,306.09

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Solution

The fourth proportional to 10,085.37, 13,913.15 and 6,306.09 is: 8,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.37 : 13,913.15 = 6,306.09 : x
  2. Step 2: Convert to fraction form
    10,085.37/13,913.15 = 6,306.09/x
  3. Step 3: Cross multiply
    10,085.37x = 13,913.15 × 6,306.09
  4. Step 4: Simplify right side
    10,085.37x = 87,737,544.55
  5. Step 5: Solve for x
    x = 87,737,544.55/10,085.37
  6. Step 6: Final answer
    x = 8,699.49

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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.