Home / 14,250.51-19,636.16-12,118.59

Finding the Fourth Proportional to 14,250.51, 19,636.16 and 12,118.59

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Solution

The fourth proportional to 14,250.51, 19,636.16 and 12,118.59 is: 16,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.51 : 19,636.16 = 12,118.59 : x
  2. Step 2: Convert to fraction form
    14,250.51/19,636.16 = 12,118.59/x
  3. Step 3: Cross multiply
    14,250.51x = 19,636.16 × 12,118.59
  4. Step 4: Simplify right side
    14,250.51x = 237,962,511.62
  5. Step 5: Solve for x
    x = 237,962,511.62/14,250.51
  6. Step 6: Final answer
    x = 16,698.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.