Home / 9,887.60-14,832.70-3,651.99

Finding the Fourth Proportional to 9,887.60, 14,832.70 and 3,651.99

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Solution

The fourth proportional to 9,887.60, 14,832.70 and 3,651.99 is: 5,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.60 : 14,832.70 = 3,651.99 : x
  2. Step 2: Convert to fraction form
    9,887.60/14,832.70 = 3,651.99/x
  3. Step 3: Cross multiply
    9,887.60x = 14,832.70 × 3,651.99
  4. Step 4: Simplify right side
    9,887.60x = 54,168,862.94
  5. Step 5: Solve for x
    x = 54,168,862.94/9,887.60
  6. Step 6: Final answer
    x = 5,478.47

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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.