Home / 14,108.07-19,469.79-7,820.58

Finding the Fourth Proportional to 14,108.07, 19,469.79 and 7,820.58

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Solution

The fourth proportional to 14,108.07, 19,469.79 and 7,820.58 is: 10,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.07 : 19,469.79 = 7,820.58 : x
  2. Step 2: Convert to fraction form
    14,108.07/19,469.79 = 7,820.58/x
  3. Step 3: Cross multiply
    14,108.07x = 19,469.79 × 7,820.58
  4. Step 4: Simplify right side
    14,108.07x = 152,265,050.28
  5. Step 5: Solve for x
    x = 152,265,050.28/14,108.07
  6. Step 6: Final answer
    x = 10,792.76

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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.