Home / 15,567.21-23,433.89-13,959.75

Finding the Fourth Proportional to 15,567.21, 23,433.89 and 13,959.75

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Solution

The fourth proportional to 15,567.21, 23,433.89 and 13,959.75 is: 21,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.21 : 23,433.89 = 13,959.75 : x
  2. Step 2: Convert to fraction form
    15,567.21/23,433.89 = 13,959.75/x
  3. Step 3: Cross multiply
    15,567.21x = 23,433.89 × 13,959.75
  4. Step 4: Simplify right side
    15,567.21x = 327,131,176.13
  5. Step 5: Solve for x
    x = 327,131,176.13/15,567.21
  6. Step 6: Final answer
    x = 21,014.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.