Home / 14,074.44-21,021.77-12,738.20

Finding the Fourth Proportional to 14,074.44, 21,021.77 and 12,738.20

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Solution

The fourth proportional to 14,074.44, 21,021.77 and 12,738.20 is: 19,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.44 : 21,021.77 = 12,738.20 : x
  2. Step 2: Convert to fraction form
    14,074.44/21,021.77 = 12,738.20/x
  3. Step 3: Cross multiply
    14,074.44x = 21,021.77 × 12,738.20
  4. Step 4: Simplify right side
    14,074.44x = 267,779,341.81
  5. Step 5: Solve for x
    x = 267,779,341.81/14,074.44
  6. Step 6: Final answer
    x = 19,025.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.