Home / 10,882.40-16,323.60-4,305.20

Finding the Fourth Proportional to 10,882.40, 16,323.60 and 4,305.20

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Solution

The fourth proportional to 10,882.40, 16,323.60 and 4,305.20 is: 6,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.40 : 16,323.60 = 4,305.20 : x
  2. Step 2: Convert to fraction form
    10,882.40/16,323.60 = 4,305.20/x
  3. Step 3: Cross multiply
    10,882.40x = 16,323.60 × 4,305.20
  4. Step 4: Simplify right side
    10,882.40x = 70,276,362.72
  5. Step 5: Solve for x
    x = 70,276,362.72/10,882.40
  6. Step 6: Final answer
    x = 6,457.80

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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.