Home / 15,476.80-23,206.56-5,087.68

Finding the Fourth Proportional to 15,476.80, 23,206.56 and 5,087.68

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Solution

The fourth proportional to 15,476.80, 23,206.56 and 5,087.68 is: 7,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.80 : 23,206.56 = 5,087.68 : x
  2. Step 2: Convert to fraction form
    15,476.80/23,206.56 = 5,087.68/x
  3. Step 3: Cross multiply
    15,476.80x = 23,206.56 × 5,087.68
  4. Step 4: Simplify right side
    15,476.80x = 118,067,551.18
  5. Step 5: Solve for x
    x = 118,067,551.18/15,476.80
  6. Step 6: Final answer
    x = 7,628.68

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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.