Home / 15,853.34-21,870.55-9,476.22

Finding the Fourth Proportional to 15,853.34, 21,870.55 and 9,476.22

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Solution

The fourth proportional to 15,853.34, 21,870.55 and 9,476.22 is: 13,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.34 : 21,870.55 = 9,476.22 : x
  2. Step 2: Convert to fraction form
    15,853.34/21,870.55 = 9,476.22/x
  3. Step 3: Cross multiply
    15,853.34x = 21,870.55 × 9,476.22
  4. Step 4: Simplify right side
    15,853.34x = 207,250,143.32
  5. Step 5: Solve for x
    x = 207,250,143.32/15,853.34
  6. Step 6: Final answer
    x = 13,072.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.