Home / 21,264.55-31,896.84-9,564.10

Finding the Fourth Proportional to 21,264.55, 31,896.84 and 9,564.10

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Solution

The fourth proportional to 21,264.55, 31,896.84 and 9,564.10 is: 14,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.55 : 31,896.84 = 9,564.10 : x
  2. Step 2: Convert to fraction form
    21,264.55/31,896.84 = 9,564.10/x
  3. Step 3: Cross multiply
    21,264.55x = 31,896.84 × 9,564.10
  4. Step 4: Simplify right side
    21,264.55x = 305,064,567.44
  5. Step 5: Solve for x
    x = 305,064,567.44/21,264.55
  6. Step 6: Final answer
    x = 14,346.16

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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.