Home / 11,153.60-16,730.40-4,993.28

Finding the Fourth Proportional to 11,153.60, 16,730.40 and 4,993.28

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Solution

The fourth proportional to 11,153.60, 16,730.40 and 4,993.28 is: 7,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.60 : 16,730.40 = 4,993.28 : x
  2. Step 2: Convert to fraction form
    11,153.60/16,730.40 = 4,993.28/x
  3. Step 3: Cross multiply
    11,153.60x = 16,730.40 × 4,993.28
  4. Step 4: Simplify right side
    11,153.60x = 83,539,571.71
  5. Step 5: Solve for x
    x = 83,539,571.71/11,153.60
  6. Step 6: Final answer
    x = 7,489.92

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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.