Home / 14,318.84-21,478.38-4,457.72

Finding the Fourth Proportional to 14,318.84, 21,478.38 and 4,457.72

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Solution

The fourth proportional to 14,318.84, 21,478.38 and 4,457.72 is: 6,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.84 : 21,478.38 = 4,457.72 : x
  2. Step 2: Convert to fraction form
    14,318.84/21,478.38 = 4,457.72/x
  3. Step 3: Cross multiply
    14,318.84x = 21,478.38 × 4,457.72
  4. Step 4: Simplify right side
    14,318.84x = 95,744,604.09
  5. Step 5: Solve for x
    x = 95,744,604.09/14,318.84
  6. Step 6: Final answer
    x = 6,686.62

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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.