Home / 19,310.63-28,959.80-6,159.96

Finding the Fourth Proportional to 19,310.63, 28,959.80 and 6,159.96

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Solution

The fourth proportional to 19,310.63, 28,959.80 and 6,159.96 is: 9,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.63 : 28,959.80 = 6,159.96 : x
  2. Step 2: Convert to fraction form
    19,310.63/28,959.80 = 6,159.96/x
  3. Step 3: Cross multiply
    19,310.63x = 28,959.80 × 6,159.96
  4. Step 4: Simplify right side
    19,310.63x = 178,391,178.81
  5. Step 5: Solve for x
    x = 178,391,178.81/19,310.63
  6. Step 6: Final answer
    x = 9,237.98

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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.