Home / 10,827.20-16,228.20-4,984.40

Finding the Fourth Proportional to 10,827.20, 16,228.20 and 4,984.40

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Solution

The fourth proportional to 10,827.20, 16,228.20 and 4,984.40 is: 7,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.20 : 16,228.20 = 4,984.40 : x
  2. Step 2: Convert to fraction form
    10,827.20/16,228.20 = 4,984.40/x
  3. Step 3: Cross multiply
    10,827.20x = 16,228.20 × 4,984.40
  4. Step 4: Simplify right side
    10,827.20x = 80,887,840.08
  5. Step 5: Solve for x
    x = 80,887,840.08/10,827.20
  6. Step 6: Final answer
    x = 7,470.80

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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.