Home / 10,869.04-16,303.62-3,077.86

Finding the Fourth Proportional to 10,869.04, 16,303.62 and 3,077.86

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Solution

The fourth proportional to 10,869.04, 16,303.62 and 3,077.86 is: 4,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.04 : 16,303.62 = 3,077.86 : x
  2. Step 2: Convert to fraction form
    10,869.04/16,303.62 = 3,077.86/x
  3. Step 3: Cross multiply
    10,869.04x = 16,303.62 × 3,077.86
  4. Step 4: Simplify right side
    10,869.04x = 50,180,259.85
  5. Step 5: Solve for x
    x = 50,180,259.85/10,869.04
  6. Step 6: Final answer
    x = 4,616.81

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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.