Home / 20,466.19-30,701.10-8,776.67

Finding the Fourth Proportional to 20,466.19, 30,701.10 and 8,776.67

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Solution

The fourth proportional to 20,466.19, 30,701.10 and 8,776.67 is: 13,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.19 : 30,701.10 = 8,776.67 : x
  2. Step 2: Convert to fraction form
    20,466.19/30,701.10 = 8,776.67/x
  3. Step 3: Cross multiply
    20,466.19x = 30,701.10 × 8,776.67
  4. Step 4: Simplify right side
    20,466.19x = 269,453,423.34
  5. Step 5: Solve for x
    x = 269,453,423.34/20,466.19
  6. Step 6: Final answer
    x = 13,165.79

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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.