Home / 14,372.40-21,530.58-8,113.49

Finding the Fourth Proportional to 14,372.40, 21,530.58 and 8,113.49

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Solution

The fourth proportional to 14,372.40, 21,530.58 and 8,113.49 is: 12,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.40 : 21,530.58 = 8,113.49 : x
  2. Step 2: Convert to fraction form
    14,372.40/21,530.58 = 8,113.49/x
  3. Step 3: Cross multiply
    14,372.40x = 21,530.58 × 8,113.49
  4. Step 4: Simplify right side
    14,372.40x = 174,688,037.87
  5. Step 5: Solve for x
    x = 174,688,037.87/14,372.40
  6. Step 6: Final answer
    x = 12,154.41

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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.