Home / 12,391.84-18,593.21-5,010.70

Finding the Fourth Proportional to 12,391.84, 18,593.21 and 5,010.70

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Solution

The fourth proportional to 12,391.84, 18,593.21 and 5,010.70 is: 7,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.84 : 18,593.21 = 5,010.70 : x
  2. Step 2: Convert to fraction form
    12,391.84/18,593.21 = 5,010.70/x
  3. Step 3: Cross multiply
    12,391.84x = 18,593.21 × 5,010.70
  4. Step 4: Simplify right side
    12,391.84x = 93,164,997.35
  5. Step 5: Solve for x
    x = 93,164,997.35/12,391.84
  6. Step 6: Final answer
    x = 7,518.25

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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.