Home / 18,705.03-25,814.21-10,750.43

Finding the Fourth Proportional to 18,705.03, 25,814.21 and 10,750.43

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Solution

The fourth proportional to 18,705.03, 25,814.21 and 10,750.43 is: 14,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.03 : 25,814.21 = 10,750.43 : x
  2. Step 2: Convert to fraction form
    18,705.03/25,814.21 = 10,750.43/x
  3. Step 3: Cross multiply
    18,705.03x = 25,814.21 × 10,750.43
  4. Step 4: Simplify right side
    18,705.03x = 277,513,674.79
  5. Step 5: Solve for x
    x = 277,513,674.79/18,705.03
  6. Step 6: Final answer
    x = 14,836.31

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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.