Home / 21,684.04-32,525.88-11,157

Finding the Fourth Proportional to 21,684.04, 32,525.88 and 11,157

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Solution

The fourth proportional to 21,684.04, 32,525.88 and 11,157 is: 16,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.04 : 32,525.88 = 11,157 : x
  2. Step 2: Convert to fraction form
    21,684.04/32,525.88 = 11,157/x
  3. Step 3: Cross multiply
    21,684.04x = 32,525.88 × 11,157
  4. Step 4: Simplify right side
    21,684.04x = 362,891,243.16
  5. Step 5: Solve for x
    x = 362,891,243.16/21,684.04
  6. Step 6: Final answer
    x = 16,735.41

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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.