Home / 14,290.63-21,389.37-12,926.59

Finding the Fourth Proportional to 14,290.63, 21,389.37 and 12,926.59

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Solution

The fourth proportional to 14,290.63, 21,389.37 and 12,926.59 is: 19,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.63 : 21,389.37 = 12,926.59 : x
  2. Step 2: Convert to fraction form
    14,290.63/21,389.37 = 12,926.59/x
  3. Step 3: Cross multiply
    14,290.63x = 21,389.37 × 12,926.59
  4. Step 4: Simplify right side
    14,290.63x = 276,491,514.40
  5. Step 5: Solve for x
    x = 276,491,514.40/14,290.63
  6. Step 6: Final answer
    x = 19,347.75

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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.