Home / 14,318.66-21,477.80-4,457.90

Finding the Fourth Proportional to 14,318.66, 21,477.80 and 4,457.90

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Solution

The fourth proportional to 14,318.66, 21,477.80 and 4,457.90 is: 6,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.66 : 21,477.80 = 4,457.90 : x
  2. Step 2: Convert to fraction form
    14,318.66/21,477.80 = 4,457.90/x
  3. Step 3: Cross multiply
    14,318.66x = 21,477.80 × 4,457.90
  4. Step 4: Simplify right side
    14,318.66x = 95,745,884.62
  5. Step 5: Solve for x
    x = 95,745,884.62/14,318.66
  6. Step 6: Final answer
    x = 6,686.79

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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.