Home / 13,946.21-20,921.90-8,333.67

Finding the Fourth Proportional to 13,946.21, 20,921.90 and 8,333.67

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Solution

The fourth proportional to 13,946.21, 20,921.90 and 8,333.67 is: 12,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.21 : 20,921.90 = 8,333.67 : x
  2. Step 2: Convert to fraction form
    13,946.21/20,921.90 = 8,333.67/x
  3. Step 3: Cross multiply
    13,946.21x = 20,921.90 × 8,333.67
  4. Step 4: Simplify right side
    13,946.21x = 174,356,129.48
  5. Step 5: Solve for x
    x = 174,356,129.48/13,946.21
  6. Step 6: Final answer
    x = 12,502.05

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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.