Home / 10,867.40-16,303.02-3,469.64

Finding the Fourth Proportional to 10,867.40, 16,303.02 and 3,469.64

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Solution

The fourth proportional to 10,867.40, 16,303.02 and 3,469.64 is: 5,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.40 : 16,303.02 = 3,469.64 : x
  2. Step 2: Convert to fraction form
    10,867.40/16,303.02 = 3,469.64/x
  3. Step 3: Cross multiply
    10,867.40x = 16,303.02 × 3,469.64
  4. Step 4: Simplify right side
    10,867.40x = 56,565,610.31
  5. Step 5: Solve for x
    x = 56,565,610.31/10,867.40
  6. Step 6: Final answer
    x = 5,205.07

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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.