Home / 14,290.83-21,377.93-11,520.63

Finding the Fourth Proportional to 14,290.83, 21,377.93 and 11,520.63

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Solution

The fourth proportional to 14,290.83, 21,377.93 and 11,520.63 is: 17,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.83 : 21,377.93 = 11,520.63 : x
  2. Step 2: Convert to fraction form
    14,290.83/21,377.93 = 11,520.63/x
  3. Step 3: Cross multiply
    14,290.83x = 21,377.93 × 11,520.63
  4. Step 4: Simplify right side
    14,290.83x = 246,287,164.09
  5. Step 5: Solve for x
    x = 246,287,164.09/14,290.83
  6. Step 6: Final answer
    x = 17,233.93

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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.