Home / 14,216.55-21,328.70-4,355.61

Finding the Fourth Proportional to 14,216.55, 21,328.70 and 4,355.61

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Solution

The fourth proportional to 14,216.55, 21,328.70 and 4,355.61 is: 6,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.55 : 21,328.70 = 4,355.61 : x
  2. Step 2: Convert to fraction form
    14,216.55/21,328.70 = 4,355.61/x
  3. Step 3: Cross multiply
    14,216.55x = 21,328.70 × 4,355.61
  4. Step 4: Simplify right side
    14,216.55x = 92,899,499.01
  5. Step 5: Solve for x
    x = 92,899,499.01/14,216.55
  6. Step 6: Final answer
    x = 6,534.60

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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.