Home / 18,810.56-28,216.44-5,663.04

Finding the Fourth Proportional to 18,810.56, 28,216.44 and 5,663.04

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Solution

The fourth proportional to 18,810.56, 28,216.44 and 5,663.04 is: 8,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.56 : 28,216.44 = 5,663.04 : x
  2. Step 2: Convert to fraction form
    18,810.56/28,216.44 = 5,663.04/x
  3. Step 3: Cross multiply
    18,810.56x = 28,216.44 × 5,663.04
  4. Step 4: Simplify right side
    18,810.56x = 159,790,828.38
  5. Step 5: Solve for x
    x = 159,790,828.38/18,810.56
  6. Step 6: Final answer
    x = 8,494.74

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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.