Home / 21,234.90-31,853.08-9,548.16

Finding the Fourth Proportional to 21,234.90, 31,853.08 and 9,548.16

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Solution

The fourth proportional to 21,234.90, 31,853.08 and 9,548.16 is: 14,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.90 : 31,853.08 = 9,548.16 : x
  2. Step 2: Convert to fraction form
    21,234.90/31,853.08 = 9,548.16/x
  3. Step 3: Cross multiply
    21,234.90x = 31,853.08 × 9,548.16
  4. Step 4: Simplify right side
    21,234.90x = 304,138,304.33
  5. Step 5: Solve for x
    x = 304,138,304.33/21,234.90
  6. Step 6: Final answer
    x = 14,322.57

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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.