Home / 15,010.33-20,715.50-8,297.28

Finding the Fourth Proportional to 15,010.33, 20,715.50 and 8,297.28

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Solution

The fourth proportional to 15,010.33, 20,715.50 and 8,297.28 is: 11,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.33 : 20,715.50 = 8,297.28 : x
  2. Step 2: Convert to fraction form
    15,010.33/20,715.50 = 8,297.28/x
  3. Step 3: Cross multiply
    15,010.33x = 20,715.50 × 8,297.28
  4. Step 4: Simplify right side
    15,010.33x = 171,882,303.84
  5. Step 5: Solve for x
    x = 171,882,303.84/15,010.33
  6. Step 6: Final answer
    x = 11,450.93

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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.