Home / 14,050.09-19,390.37-7,763.68

Finding the Fourth Proportional to 14,050.09, 19,390.37 and 7,763.68

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Solution

The fourth proportional to 14,050.09, 19,390.37 and 7,763.68 is: 10,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.09 : 19,390.37 = 7,763.68 : x
  2. Step 2: Convert to fraction form
    14,050.09/19,390.37 = 7,763.68/x
  3. Step 3: Cross multiply
    14,050.09x = 19,390.37 × 7,763.68
  4. Step 4: Simplify right side
    14,050.09x = 150,540,627.76
  5. Step 5: Solve for x
    x = 150,540,627.76/14,050.09
  6. Step 6: Final answer
    x = 10,714.57

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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.