Home / 12,560.99-18,841.89-6,317.60

Finding the Fourth Proportional to 12,560.99, 18,841.89 and 6,317.60

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Solution

The fourth proportional to 12,560.99, 18,841.89 and 6,317.60 is: 9,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.99 : 18,841.89 = 6,317.60 : x
  2. Step 2: Convert to fraction form
    12,560.99/18,841.89 = 6,317.60/x
  3. Step 3: Cross multiply
    12,560.99x = 18,841.89 × 6,317.60
  4. Step 4: Simplify right side
    12,560.99x = 119,035,418.21
  5. Step 5: Solve for x
    x = 119,035,418.21/12,560.99
  6. Step 6: Final answer
    x = 9,476.59

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1.5x scale

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.