Home / 14,336.30-21,443.70-12,866.15

Finding the Fourth Proportional to 14,336.30, 21,443.70 and 12,866.15

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Solution

The fourth proportional to 14,336.30, 21,443.70 and 12,866.15 is: 19,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.30 : 21,443.70 = 12,866.15 : x
  2. Step 2: Convert to fraction form
    14,336.30/21,443.70 = 12,866.15/x
  3. Step 3: Cross multiply
    14,336.30x = 21,443.70 × 12,866.15
  4. Step 4: Simplify right side
    14,336.30x = 275,897,860.76
  5. Step 5: Solve for x
    x = 275,897,860.76/14,336.30
  6. Step 6: Final answer
    x = 19,244.70

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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.