Home / 18,687.17-28,025.98-5,536.47

Finding the Fourth Proportional to 18,687.17, 28,025.98 and 5,536.47

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Solution

The fourth proportional to 18,687.17, 28,025.98 and 5,536.47 is: 8,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687.17 : 28,025.98 = 5,536.47 : x
  2. Step 2: Convert to fraction form
    18,687.17/28,025.98 = 5,536.47/x
  3. Step 3: Cross multiply
    18,687.17x = 28,025.98 × 5,536.47
  4. Step 4: Simplify right side
    18,687.17x = 155,164,962.24
  5. Step 5: Solve for x
    x = 155,164,962.24/18,687.17
  6. Step 6: Final answer
    x = 8,303.29

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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.