Home / 15,442.03-21,313.16-8,727.94

Finding the Fourth Proportional to 15,442.03, 21,313.16 and 8,727.94

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Solution

The fourth proportional to 15,442.03, 21,313.16 and 8,727.94 is: 12,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.03 : 21,313.16 = 8,727.94 : x
  2. Step 2: Convert to fraction form
    15,442.03/21,313.16 = 8,727.94/x
  3. Step 3: Cross multiply
    15,442.03x = 21,313.16 × 8,727.94
  4. Step 4: Simplify right side
    15,442.03x = 186,019,938.05
  5. Step 5: Solve for x
    x = 186,019,938.05/15,442.03
  6. Step 6: Final answer
    x = 12,046.34

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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.