Home / 15,411.96-23,119.27-5,415.85

Finding the Fourth Proportional to 15,411.96, 23,119.27 and 5,415.85

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Solution

The fourth proportional to 15,411.96, 23,119.27 and 5,415.85 is: 8,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.96 : 23,119.27 = 5,415.85 : x
  2. Step 2: Convert to fraction form
    15,411.96/23,119.27 = 5,415.85/x
  3. Step 3: Cross multiply
    15,411.96x = 23,119.27 × 5,415.85
  4. Step 4: Simplify right side
    15,411.96x = 125,210,544.25
  5. Step 5: Solve for x
    x = 125,210,544.25/15,411.96
  6. Step 6: Final answer
    x = 8,124.25

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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.