Home / 14,079.24-21,114.36-4,216.68

Finding the Fourth Proportional to 14,079.24, 21,114.36 and 4,216.68

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Solution

The fourth proportional to 14,079.24, 21,114.36 and 4,216.68 is: 6,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.24 : 21,114.36 = 4,216.68 : x
  2. Step 2: Convert to fraction form
    14,079.24/21,114.36 = 4,216.68/x
  3. Step 3: Cross multiply
    14,079.24x = 21,114.36 × 4,216.68
  4. Step 4: Simplify right side
    14,079.24x = 89,032,499.52
  5. Step 5: Solve for x
    x = 89,032,499.52/14,079.24
  6. Step 6: Final answer
    x = 6,323.67

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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.