Home / 15,281.42-22,917.33-5,920.79

Finding the Fourth Proportional to 15,281.42, 22,917.33 and 5,920.79

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Solution

The fourth proportional to 15,281.42, 22,917.33 and 5,920.79 is: 8,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.42 : 22,917.33 = 5,920.79 : x
  2. Step 2: Convert to fraction form
    15,281.42/22,917.33 = 5,920.79/x
  3. Step 3: Cross multiply
    15,281.42x = 22,917.33 × 5,920.79
  4. Step 4: Simplify right side
    15,281.42x = 135,688,583.70
  5. Step 5: Solve for x
    x = 135,688,583.70/15,281.42
  6. Step 6: Final answer
    x = 8,879.32

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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.