Home / 9,861.93-14,788.17-5,418.07

Finding the Fourth Proportional to 9,861.93, 14,788.17 and 5,418.07

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Solution

The fourth proportional to 9,861.93, 14,788.17 and 5,418.07 is: 8,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.93 : 14,788.17 = 5,418.07 : x
  2. Step 2: Convert to fraction form
    9,861.93/14,788.17 = 5,418.07/x
  3. Step 3: Cross multiply
    9,861.93x = 14,788.17 × 5,418.07
  4. Step 4: Simplify right side
    9,861.93x = 80,123,303.26
  5. Step 5: Solve for x
    x = 80,123,303.26/9,861.93
  6. Step 6: Final answer
    x = 8,124.51

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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.