Home / 20,312.84-30,476.47-9,067.16

Finding the Fourth Proportional to 20,312.84, 30,476.47 and 9,067.16

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Solution

The fourth proportional to 20,312.84, 30,476.47 and 9,067.16 is: 13,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.84 : 30,476.47 = 9,067.16 : x
  2. Step 2: Convert to fraction form
    20,312.84/30,476.47 = 9,067.16/x
  3. Step 3: Cross multiply
    20,312.84x = 30,476.47 × 9,067.16
  4. Step 4: Simplify right side
    20,312.84x = 276,334,954.32
  5. Step 5: Solve for x
    x = 276,334,954.32/20,312.84
  6. Step 6: Final answer
    x = 13,603.96

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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.