Home / 18,674.02-28,015.46-5,347.20

Finding the Fourth Proportional to 18,674.02, 28,015.46 and 5,347.20

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Solution

The fourth proportional to 18,674.02, 28,015.46 and 5,347.20 is: 8,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.02 : 28,015.46 = 5,347.20 : x
  2. Step 2: Convert to fraction form
    18,674.02/28,015.46 = 5,347.20/x
  3. Step 3: Cross multiply
    18,674.02x = 28,015.46 × 5,347.20
  4. Step 4: Simplify right side
    18,674.02x = 149,804,267.71
  5. Step 5: Solve for x
    x = 149,804,267.71/18,674.02
  6. Step 6: Final answer
    x = 8,022.07

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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.