Home / 9,887.68-13,646.26-6,487.56

Finding the Fourth Proportional to 9,887.68, 13,646.26 and 6,487.56

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Solution

The fourth proportional to 9,887.68, 13,646.26 and 6,487.56 is: 8,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.68 : 13,646.26 = 6,487.56 : x
  2. Step 2: Convert to fraction form
    9,887.68/13,646.26 = 6,487.56/x
  3. Step 3: Cross multiply
    9,887.68x = 13,646.26 × 6,487.56
  4. Step 4: Simplify right side
    9,887.68x = 88,530,930.53
  5. Step 5: Solve for x
    x = 88,530,930.53/9,887.68
  6. Step 6: Final answer
    x = 8,953.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.