Home / 18,711.02-28,066.53-5,563.37

Finding the Fourth Proportional to 18,711.02, 28,066.53 and 5,563.37

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Solution

The fourth proportional to 18,711.02, 28,066.53 and 5,563.37 is: 8,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.02 : 28,066.53 = 5,563.37 : x
  2. Step 2: Convert to fraction form
    18,711.02/28,066.53 = 5,563.37/x
  3. Step 3: Cross multiply
    18,711.02x = 28,066.53 × 5,563.37
  4. Step 4: Simplify right side
    18,711.02x = 156,144,491.01
  5. Step 5: Solve for x
    x = 156,144,491.01/18,711.02
  6. Step 6: Final answer
    x = 8,345.06

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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.