Home / 19,291.06-28,935.36-6,152.86

Finding the Fourth Proportional to 19,291.06, 28,935.36 and 6,152.86

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Solution

The fourth proportional to 19,291.06, 28,935.36 and 6,152.86 is: 9,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.06 : 28,935.36 = 6,152.86 : x
  2. Step 2: Convert to fraction form
    19,291.06/28,935.36 = 6,152.86/x
  3. Step 3: Cross multiply
    19,291.06x = 28,935.36 × 6,152.86
  4. Step 4: Simplify right side
    19,291.06x = 178,035,219.13
  5. Step 5: Solve for x
    x = 178,035,219.13/19,291.06
  6. Step 6: Final answer
    x = 9,228.90

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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.