Home / 10,783.40-16,178.70-9,622.04

Finding the Fourth Proportional to 10,783.40, 16,178.70 and 9,622.04

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Solution

The fourth proportional to 10,783.40, 16,178.70 and 9,622.04 is: 14,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.40 : 16,178.70 = 9,622.04 : x
  2. Step 2: Convert to fraction form
    10,783.40/16,178.70 = 9,622.04/x
  3. Step 3: Cross multiply
    10,783.40x = 16,178.70 × 9,622.04
  4. Step 4: Simplify right side
    10,783.40x = 155,672,098.55
  5. Step 5: Solve for x
    x = 155,672,098.55/10,783.40
  6. Step 6: Final answer
    x = 14,436.27

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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.