Home / 12,580.06-18,875.21-6,341.87

Finding the Fourth Proportional to 12,580.06, 18,875.21 and 6,341.87

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Solution

The fourth proportional to 12,580.06, 18,875.21 and 6,341.87 is: 9,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.06 : 18,875.21 = 6,341.87 : x
  2. Step 2: Convert to fraction form
    12,580.06/18,875.21 = 6,341.87/x
  3. Step 3: Cross multiply
    12,580.06x = 18,875.21 × 6,341.87
  4. Step 4: Simplify right side
    12,580.06x = 119,704,080.85
  5. Step 5: Solve for x
    x = 119,704,080.85/12,580.06
  6. Step 6: Final answer
    x = 9,515.38

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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.