Home / 14,284.07-19,709.21-7,910.35

Finding the Fourth Proportional to 14,284.07, 19,709.21 and 7,910.35

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Solution

The fourth proportional to 14,284.07, 19,709.21 and 7,910.35 is: 10,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.07 : 19,709.21 = 7,910.35 : x
  2. Step 2: Convert to fraction form
    14,284.07/19,709.21 = 7,910.35/x
  3. Step 3: Cross multiply
    14,284.07x = 19,709.21 × 7,910.35
  4. Step 4: Simplify right side
    14,284.07x = 155,906,719.83
  5. Step 5: Solve for x
    x = 155,906,719.83/14,284.07
  6. Step 6: Final answer
    x = 10,914.73

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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.