Home / 14,037.54-21,045.13-8,107.68

Finding the Fourth Proportional to 14,037.54, 21,045.13 and 8,107.68

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Solution

The fourth proportional to 14,037.54, 21,045.13 and 8,107.68 is: 12,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.54 : 21,045.13 = 8,107.68 : x
  2. Step 2: Convert to fraction form
    14,037.54/21,045.13 = 8,107.68/x
  3. Step 3: Cross multiply
    14,037.54x = 21,045.13 × 8,107.68
  4. Step 4: Simplify right side
    14,037.54x = 170,627,139.06
  5. Step 5: Solve for x
    x = 170,627,139.06/14,037.54
  6. Step 6: Final answer
    x = 12,155.06

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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.