Home / 10,823.10-16,203.04-9,785.50

Finding the Fourth Proportional to 10,823.10, 16,203.04 and 9,785.50

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Solution

The fourth proportional to 10,823.10, 16,203.04 and 9,785.50 is: 14,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.10 : 16,203.04 = 9,785.50 : x
  2. Step 2: Convert to fraction form
    10,823.10/16,203.04 = 9,785.50/x
  3. Step 3: Cross multiply
    10,823.10x = 16,203.04 × 9,785.50
  4. Step 4: Simplify right side
    10,823.10x = 158,554,847.92
  5. Step 5: Solve for x
    x = 158,554,847.92/10,823.10
  6. Step 6: Final answer
    x = 14,649.67

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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.