Home / 20,848.14-31,272.01-9,010.28

Finding the Fourth Proportional to 20,848.14, 31,272.01 and 9,010.28

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Solution

The fourth proportional to 20,848.14, 31,272.01 and 9,010.28 is: 13,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.14 : 31,272.01 = 9,010.28 : x
  2. Step 2: Convert to fraction form
    20,848.14/31,272.01 = 9,010.28/x
  3. Step 3: Cross multiply
    20,848.14x = 31,272.01 × 9,010.28
  4. Step 4: Simplify right side
    20,848.14x = 281,769,521.21
  5. Step 5: Solve for x
    x = 281,769,521.21/20,848.14
  6. Step 6: Final answer
    x = 13,515.33

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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.