Home / 10,899.94-15,041.55-6,119.86

Finding the Fourth Proportional to 10,899.94, 15,041.55 and 6,119.86

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Solution

The fourth proportional to 10,899.94, 15,041.55 and 6,119.86 is: 8,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.94 : 15,041.55 = 6,119.86 : x
  2. Step 2: Convert to fraction form
    10,899.94/15,041.55 = 6,119.86/x
  3. Step 3: Cross multiply
    10,899.94x = 15,041.55 × 6,119.86
  4. Step 4: Simplify right side
    10,899.94x = 92,052,180.18
  5. Step 5: Solve for x
    x = 92,052,180.18/10,899.94
  6. Step 6: Final answer
    x = 8,445.20

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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.