Home / 15,724.56-23,586.83-10,779.21

Finding the Fourth Proportional to 15,724.56, 23,586.83 and 10,779.21

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Solution

The fourth proportional to 15,724.56, 23,586.83 and 10,779.21 is: 16,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.56 : 23,586.83 = 10,779.21 : x
  2. Step 2: Convert to fraction form
    15,724.56/23,586.83 = 10,779.21/x
  3. Step 3: Cross multiply
    15,724.56x = 23,586.83 × 10,779.21
  4. Step 4: Simplify right side
    15,724.56x = 254,247,302.82
  5. Step 5: Solve for x
    x = 254,247,302.82/15,724.56
  6. Step 6: Final answer
    x = 16,168.80

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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.