Home / 15,419.09-23,110.04-7,087.68

Finding the Fourth Proportional to 15,419.09, 23,110.04 and 7,087.68

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Solution

The fourth proportional to 15,419.09, 23,110.04 and 7,087.68 is: 10,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.09 : 23,110.04 = 7,087.68 : x
  2. Step 2: Convert to fraction form
    15,419.09/23,110.04 = 7,087.68/x
  3. Step 3: Cross multiply
    15,419.09x = 23,110.04 × 7,087.68
  4. Step 4: Simplify right side
    15,419.09x = 163,796,532.87
  5. Step 5: Solve for x
    x = 163,796,532.87/15,419.09
  6. Step 6: Final answer
    x = 10,622.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.