Home / 18,983.63-28,470.23-5,656.03

Finding the Fourth Proportional to 18,983.63, 28,470.23 and 5,656.03

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Solution

The fourth proportional to 18,983.63, 28,470.23 and 5,656.03 is: 8,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.63 : 28,470.23 = 5,656.03 : x
  2. Step 2: Convert to fraction form
    18,983.63/28,470.23 = 5,656.03/x
  3. Step 3: Cross multiply
    18,983.63x = 28,470.23 × 5,656.03
  4. Step 4: Simplify right side
    18,983.63x = 161,028,428.56
  5. Step 5: Solve for x
    x = 161,028,428.56/18,983.63
  6. Step 6: Final answer
    x = 8,482.49

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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.