Home / 14,114.77-21,155.54-5,790.67

Finding the Fourth Proportional to 14,114.77, 21,155.54 and 5,790.67

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Solution

The fourth proportional to 14,114.77, 21,155.54 and 5,790.67 is: 8,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.77 : 21,155.54 = 5,790.67 : x
  2. Step 2: Convert to fraction form
    14,114.77/21,155.54 = 5,790.67/x
  3. Step 3: Cross multiply
    14,114.77x = 21,155.54 × 5,790.67
  4. Step 4: Simplify right side
    14,114.77x = 122,504,750.81
  5. Step 5: Solve for x
    x = 122,504,750.81/14,114.77
  6. Step 6: Final answer
    x = 8,679.19

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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.