Home / 19,673.06-29,515.06-8,580.72

Finding the Fourth Proportional to 19,673.06, 29,515.06 and 8,580.72

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Solution

The fourth proportional to 19,673.06, 29,515.06 and 8,580.72 is: 12,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.06 : 29,515.06 = 8,580.72 : x
  2. Step 2: Convert to fraction form
    19,673.06/29,515.06 = 8,580.72/x
  3. Step 3: Cross multiply
    19,673.06x = 29,515.06 × 8,580.72
  4. Step 4: Simplify right side
    19,673.06x = 253,260,465.64
  5. Step 5: Solve for x
    x = 253,260,465.64/19,673.06
  6. Step 6: Final answer
    x = 12,873.47

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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.