Home / 18,710.66-28,056.60-6,226.28

Finding the Fourth Proportional to 18,710.66, 28,056.60 and 6,226.28

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Solution

The fourth proportional to 18,710.66, 28,056.60 and 6,226.28 is: 9,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.66 : 28,056.60 = 6,226.28 : x
  2. Step 2: Convert to fraction form
    18,710.66/28,056.60 = 6,226.28/x
  3. Step 3: Cross multiply
    18,710.66x = 28,056.60 × 6,226.28
  4. Step 4: Simplify right side
    18,710.66x = 174,688,247.45
  5. Step 5: Solve for x
    x = 174,688,247.45/18,710.66
  6. Step 6: Final answer
    x = 9,336.30

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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.