Home / 9,516.95-14,339.64-7,887.28

Finding the Fourth Proportional to 9,516.95, 14,339.64 and 7,887.28

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Solution

The fourth proportional to 9,516.95, 14,339.64 and 7,887.28 is: 11,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.95 : 14,339.64 = 7,887.28 : x
  2. Step 2: Convert to fraction form
    9,516.95/14,339.64 = 7,887.28/x
  3. Step 3: Cross multiply
    9,516.95x = 14,339.64 × 7,887.28
  4. Step 4: Simplify right side
    9,516.95x = 113,100,755.78
  5. Step 5: Solve for x
    x = 113,100,755.78/9,516.95
  6. Step 6: Final answer
    x = 11,884.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.