Home / 10,903.40-16,354.99-4,658.10

Finding the Fourth Proportional to 10,903.40, 16,354.99 and 4,658.10

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Solution

The fourth proportional to 10,903.40, 16,354.99 and 4,658.10 is: 6,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.40 : 16,354.99 = 4,658.10 : x
  2. Step 2: Convert to fraction form
    10,903.40/16,354.99 = 4,658.10/x
  3. Step 3: Cross multiply
    10,903.40x = 16,354.99 × 4,658.10
  4. Step 4: Simplify right side
    10,903.40x = 76,183,178.92
  5. Step 5: Solve for x
    x = 76,183,178.92/10,903.40
  6. Step 6: Final answer
    x = 6,987.10

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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.