Home / 10,811.08-16,205.40-5,870.20

Finding the Fourth Proportional to 10,811.08, 16,205.40 and 5,870.20

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Solution

The fourth proportional to 10,811.08, 16,205.40 and 5,870.20 is: 8,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.08 : 16,205.40 = 5,870.20 : x
  2. Step 2: Convert to fraction form
    10,811.08/16,205.40 = 5,870.20/x
  3. Step 3: Cross multiply
    10,811.08x = 16,205.40 × 5,870.20
  4. Step 4: Simplify right side
    10,811.08x = 95,128,939.08
  5. Step 5: Solve for x
    x = 95,128,939.08/10,811.08
  6. Step 6: Final answer
    x = 8,799.21

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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.