Home / 18,429.17-25,412.16-12,450.46

Finding the Fourth Proportional to 18,429.17, 25,412.16 and 12,450.46

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Solution

The fourth proportional to 18,429.17, 25,412.16 and 12,450.46 is: 17,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.17 : 25,412.16 = 12,450.46 : x
  2. Step 2: Convert to fraction form
    18,429.17/25,412.16 = 12,450.46/x
  3. Step 3: Cross multiply
    18,429.17x = 25,412.16 × 12,450.46
  4. Step 4: Simplify right side
    18,429.17x = 316,393,081.59
  5. Step 5: Solve for x
    x = 316,393,081.59/18,429.17
  6. Step 6: Final answer
    x = 17,168.06

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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.