Home / 14,037.24-21,045.33-8,489.45

Finding the Fourth Proportional to 14,037.24, 21,045.33 and 8,489.45

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Solution

The fourth proportional to 14,037.24, 21,045.33 and 8,489.45 is: 12,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.24 : 21,045.33 = 8,489.45 : x
  2. Step 2: Convert to fraction form
    14,037.24/21,045.33 = 8,489.45/x
  3. Step 3: Cross multiply
    14,037.24x = 21,045.33 × 8,489.45
  4. Step 4: Simplify right side
    14,037.24x = 178,663,129.09
  5. Step 5: Solve for x
    x = 178,663,129.09/14,037.24
  6. Step 6: Final answer
    x = 12,727.80

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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.