Home / 10,808.12-16,204.28-7,289.37

Finding the Fourth Proportional to 10,808.12, 16,204.28 and 7,289.37

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Solution

The fourth proportional to 10,808.12, 16,204.28 and 7,289.37 is: 10,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.12 : 16,204.28 = 7,289.37 : x
  2. Step 2: Convert to fraction form
    10,808.12/16,204.28 = 7,289.37/x
  3. Step 3: Cross multiply
    10,808.12x = 16,204.28 × 7,289.37
  4. Step 4: Simplify right side
    10,808.12x = 118,118,956.06
  5. Step 5: Solve for x
    x = 118,118,956.06/10,808.12
  6. Step 6: Final answer
    x = 10,928.73

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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.