Home / 15,933.02-21,986.76-8,858.06

Finding the Fourth Proportional to 15,933.02, 21,986.76 and 8,858.06

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Solution

The fourth proportional to 15,933.02, 21,986.76 and 8,858.06 is: 12,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.02 : 21,986.76 = 8,858.06 : x
  2. Step 2: Convert to fraction form
    15,933.02/21,986.76 = 8,858.06/x
  3. Step 3: Cross multiply
    15,933.02x = 21,986.76 × 8,858.06
  4. Step 4: Simplify right side
    15,933.02x = 194,760,039.29
  5. Step 5: Solve for x
    x = 194,760,039.29/15,933.02
  6. Step 6: Final answer
    x = 12,223.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.