Home / 21,851.50-32,762.06-11,157.07

Finding the Fourth Proportional to 21,851.50, 32,762.06 and 11,157.07

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Solution

The fourth proportional to 21,851.50, 32,762.06 and 11,157.07 is: 16,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.50 : 32,762.06 = 11,157.07 : x
  2. Step 2: Convert to fraction form
    21,851.50/32,762.06 = 11,157.07/x
  3. Step 3: Cross multiply
    21,851.50x = 32,762.06 × 11,157.07
  4. Step 4: Simplify right side
    21,851.50x = 365,528,486.97
  5. Step 5: Solve for x
    x = 365,528,486.97/21,851.50
  6. Step 6: Final answer
    x = 16,727.85

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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.