Home / 9,989.49-13,786.02-6,011.85

Finding the Fourth Proportional to 9,989.49, 13,786.02 and 6,011.85

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Solution

The fourth proportional to 9,989.49, 13,786.02 and 6,011.85 is: 8,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.49 : 13,786.02 = 6,011.85 : x
  2. Step 2: Convert to fraction form
    9,989.49/13,786.02 = 6,011.85/x
  3. Step 3: Cross multiply
    9,989.49x = 13,786.02 × 6,011.85
  4. Step 4: Simplify right side
    9,989.49x = 82,879,484.34
  5. Step 5: Solve for x
    x = 82,879,484.34/9,989.49
  6. Step 6: Final answer
    x = 8,296.67

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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.