Home / 20,361.90-30,525.51-9,264.69

Finding the Fourth Proportional to 20,361.90, 30,525.51 and 9,264.69

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Solution

The fourth proportional to 20,361.90, 30,525.51 and 9,264.69 is: 13,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.90 : 30,525.51 = 9,264.69 : x
  2. Step 2: Convert to fraction form
    20,361.90/30,525.51 = 9,264.69/x
  3. Step 3: Cross multiply
    20,361.90x = 30,525.51 × 9,264.69
  4. Step 4: Simplify right side
    20,361.90x = 282,809,387.24
  5. Step 5: Solve for x
    x = 282,809,387.24/20,361.90
  6. Step 6: Final answer
    x = 13,889.15

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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.