Home / 10,800.29-16,200.51-3,405.34

Finding the Fourth Proportional to 10,800.29, 16,200.51 and 3,405.34

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Solution

The fourth proportional to 10,800.29, 16,200.51 and 3,405.34 is: 5,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.29 : 16,200.51 = 3,405.34 : x
  2. Step 2: Convert to fraction form
    10,800.29/16,200.51 = 3,405.34/x
  3. Step 3: Cross multiply
    10,800.29x = 16,200.51 × 3,405.34
  4. Step 4: Simplify right side
    10,800.29x = 55,168,252.20
  5. Step 5: Solve for x
    x = 55,168,252.20/10,800.29
  6. Step 6: Final answer
    x = 5,108.04

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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.