Home / 18,492.28-25,519.28-10,108.78

Finding the Fourth Proportional to 18,492.28, 25,519.28 and 10,108.78

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Solution

The fourth proportional to 18,492.28, 25,519.28 and 10,108.78 is: 13,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.28 : 25,519.28 = 10,108.78 : x
  2. Step 2: Convert to fraction form
    18,492.28/25,519.28 = 10,108.78/x
  3. Step 3: Cross multiply
    18,492.28x = 25,519.28 × 10,108.78
  4. Step 4: Simplify right side
    18,492.28x = 257,968,787.28
  5. Step 5: Solve for x
    x = 257,968,787.28/18,492.28
  6. Step 6: Final answer
    x = 13,950.08

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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.