Home / 10,977.86-16,457.07-4,399.55

Finding the Fourth Proportional to 10,977.86, 16,457.07 and 4,399.55

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Solution

The fourth proportional to 10,977.86, 16,457.07 and 4,399.55 is: 6,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.86 : 16,457.07 = 4,399.55 : x
  2. Step 2: Convert to fraction form
    10,977.86/16,457.07 = 4,399.55/x
  3. Step 3: Cross multiply
    10,977.86x = 16,457.07 × 4,399.55
  4. Step 4: Simplify right side
    10,977.86x = 72,403,698.25
  5. Step 5: Solve for x
    x = 72,403,698.25/10,977.86
  6. Step 6: Final answer
    x = 6,595.43

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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.