Home / 10,838.50-16,230.20-9,840.04

Finding the Fourth Proportional to 10,838.50, 16,230.20 and 9,840.04

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Solution

The fourth proportional to 10,838.50, 16,230.20 and 9,840.04 is: 14,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.50 : 16,230.20 = 9,840.04 : x
  2. Step 2: Convert to fraction form
    10,838.50/16,230.20 = 9,840.04/x
  3. Step 3: Cross multiply
    10,838.50x = 16,230.20 × 9,840.04
  4. Step 4: Simplify right side
    10,838.50x = 159,705,817.21
  5. Step 5: Solve for x
    x = 159,705,817.21/10,838.50
  6. Step 6: Final answer
    x = 14,735.05

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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.