Home / 18,276.84-25,222.50-11,207.16

Finding the Fourth Proportional to 18,276.84, 25,222.50 and 11,207.16

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Solution

The fourth proportional to 18,276.84, 25,222.50 and 11,207.16 is: 15,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.84 : 25,222.50 = 11,207.16 : x
  2. Step 2: Convert to fraction form
    18,276.84/25,222.50 = 11,207.16/x
  3. Step 3: Cross multiply
    18,276.84x = 25,222.50 × 11,207.16
  4. Step 4: Simplify right side
    18,276.84x = 282,672,593.10
  5. Step 5: Solve for x
    x = 282,672,593.10/18,276.84
  6. Step 6: Final answer
    x = 15,466.16

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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.