Home / 18,353.64-25,323.66-10,800.30

Finding the Fourth Proportional to 18,353.64, 25,323.66 and 10,800.30

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Solution

The fourth proportional to 18,353.64, 25,323.66 and 10,800.30 is: 14,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.64 : 25,323.66 = 10,800.30 : x
  2. Step 2: Convert to fraction form
    18,353.64/25,323.66 = 10,800.30/x
  3. Step 3: Cross multiply
    18,353.64x = 25,323.66 × 10,800.30
  4. Step 4: Simplify right side
    18,353.64x = 273,503,125.10
  5. Step 5: Solve for x
    x = 273,503,125.10/18,353.64
  6. Step 6: Final answer
    x = 14,901.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.