Home / 16,836.20-25,254.30-5,149.40

Finding the Fourth Proportional to 16,836.20, 25,254.30 and 5,149.40

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Solution

The fourth proportional to 16,836.20, 25,254.30 and 5,149.40 is: 7,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.20 : 25,254.30 = 5,149.40 : x
  2. Step 2: Convert to fraction form
    16,836.20/25,254.30 = 5,149.40/x
  3. Step 3: Cross multiply
    16,836.20x = 25,254.30 × 5,149.40
  4. Step 4: Simplify right side
    16,836.20x = 130,044,492.42
  5. Step 5: Solve for x
    x = 130,044,492.42/16,836.20
  6. Step 6: Final answer
    x = 7,724.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.