Home / 15,407.74-21,262.53-8,334.01

Finding the Fourth Proportional to 15,407.74, 21,262.53 and 8,334.01

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Solution

The fourth proportional to 15,407.74, 21,262.53 and 8,334.01 is: 11,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.74 : 21,262.53 = 8,334.01 : x
  2. Step 2: Convert to fraction form
    15,407.74/21,262.53 = 8,334.01/x
  3. Step 3: Cross multiply
    15,407.74x = 21,262.53 × 8,334.01
  4. Step 4: Simplify right side
    15,407.74x = 177,202,137.65
  5. Step 5: Solve for x
    x = 177,202,137.65/15,407.74
  6. Step 6: Final answer
    x = 11,500.85

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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.