Home / 14,344.31-21,511.62-5,457.53

Finding the Fourth Proportional to 14,344.31, 21,511.62 and 5,457.53

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Solution

The fourth proportional to 14,344.31, 21,511.62 and 5,457.53 is: 8,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.31 : 21,511.62 = 5,457.53 : x
  2. Step 2: Convert to fraction form
    14,344.31/21,511.62 = 5,457.53/x
  3. Step 3: Cross multiply
    14,344.31x = 21,511.62 × 5,457.53
  4. Step 4: Simplify right side
    14,344.31x = 117,400,203.94
  5. Step 5: Solve for x
    x = 117,400,203.94/14,344.31
  6. Step 6: Final answer
    x = 8,184.45

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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.