Home / 15,261.46-21,061.11-8,546.99

Finding the Fourth Proportional to 15,261.46, 21,061.11 and 8,546.99

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Solution

The fourth proportional to 15,261.46, 21,061.11 and 8,546.99 is: 11,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.46 : 21,061.11 = 8,546.99 : x
  2. Step 2: Convert to fraction form
    15,261.46/21,061.11 = 8,546.99/x
  3. Step 3: Cross multiply
    15,261.46x = 21,061.11 × 8,546.99
  4. Step 4: Simplify right side
    15,261.46x = 180,009,201.01
  5. Step 5: Solve for x
    x = 180,009,201.01/15,261.46
  6. Step 6: Final answer
    x = 11,795.02

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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.