Home / 19,316.21-28,946.37-9,444.34

Finding the Fourth Proportional to 19,316.21, 28,946.37 and 9,444.34

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Solution

The fourth proportional to 19,316.21, 28,946.37 and 9,444.34 is: 14,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.21 : 28,946.37 = 9,444.34 : x
  2. Step 2: Convert to fraction form
    19,316.21/28,946.37 = 9,444.34/x
  3. Step 3: Cross multiply
    19,316.21x = 28,946.37 × 9,444.34
  4. Step 4: Simplify right side
    19,316.21x = 273,379,360.05
  5. Step 5: Solve for x
    x = 273,379,360.05/19,316.21
  6. Step 6: Final answer
    x = 14,152.85

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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.