Home / 14,315.73-21,475.88-4,457.28

Finding the Fourth Proportional to 14,315.73, 21,475.88 and 4,457.28

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Solution

The fourth proportional to 14,315.73, 21,475.88 and 4,457.28 is: 6,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.73 : 21,475.88 = 4,457.28 : x
  2. Step 2: Convert to fraction form
    14,315.73/21,475.88 = 4,457.28/x
  3. Step 3: Cross multiply
    14,315.73x = 21,475.88 × 4,457.28
  4. Step 4: Simplify right side
    14,315.73x = 95,724,010.41
  5. Step 5: Solve for x
    x = 95,724,010.41/14,315.73
  6. Step 6: Final answer
    x = 6,686.63

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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.