Home / 14,343.48-19,744.86-12,443.88

Finding the Fourth Proportional to 14,343.48, 19,744.86 and 12,443.88

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Solution

The fourth proportional to 14,343.48, 19,744.86 and 12,443.88 is: 17,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.48 : 19,744.86 = 12,443.88 : x
  2. Step 2: Convert to fraction form
    14,343.48/19,744.86 = 12,443.88/x
  3. Step 3: Cross multiply
    14,343.48x = 19,744.86 × 12,443.88
  4. Step 4: Simplify right side
    14,343.48x = 245,702,668.46
  5. Step 5: Solve for x
    x = 245,702,668.46/14,343.48
  6. Step 6: Final answer
    x = 17,129.92

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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.