Home / 14,037.61-21,071.58-12,487.54

Finding the Fourth Proportional to 14,037.61, 21,071.58 and 12,487.54

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Solution

The fourth proportional to 14,037.61, 21,071.58 and 12,487.54 is: 18,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.61 : 21,071.58 = 12,487.54 : x
  2. Step 2: Convert to fraction form
    14,037.61/21,071.58 = 12,487.54/x
  3. Step 3: Cross multiply
    14,037.61x = 21,071.58 × 12,487.54
  4. Step 4: Simplify right side
    14,037.61x = 263,132,198.11
  5. Step 5: Solve for x
    x = 263,132,198.11/14,037.61
  6. Step 6: Final answer
    x = 18,744.80

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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.