Home / 14,037.14-21,070.86-12,487.04

Finding the Fourth Proportional to 14,037.14, 21,070.86 and 12,487.04

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Solution

The fourth proportional to 14,037.14, 21,070.86 and 12,487.04 is: 18,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.14 : 21,070.86 = 12,487.04 : x
  2. Step 2: Convert to fraction form
    14,037.14/21,070.86 = 12,487.04/x
  3. Step 3: Cross multiply
    14,037.14x = 21,070.86 × 12,487.04
  4. Step 4: Simplify right side
    14,037.14x = 263,112,671.65
  5. Step 5: Solve for x
    x = 263,112,671.65/14,037.14
  6. Step 6: Final answer
    x = 18,744.04

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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.