Home / 14,738.63-20,310.89-9,424.22

Finding the Fourth Proportional to 14,738.63, 20,310.89 and 9,424.22

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Solution

The fourth proportional to 14,738.63, 20,310.89 and 9,424.22 is: 12,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.63 : 20,310.89 = 9,424.22 : x
  2. Step 2: Convert to fraction form
    14,738.63/20,310.89 = 9,424.22/x
  3. Step 3: Cross multiply
    14,738.63x = 20,310.89 × 9,424.22
  4. Step 4: Simplify right side
    14,738.63x = 191,414,147.08
  5. Step 5: Solve for x
    x = 191,414,147.08/14,738.63
  6. Step 6: Final answer
    x = 12,987.25

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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.