Home / 11,513.37-15,887.25-6,477.16

Finding the Fourth Proportional to 11,513.37, 15,887.25 and 6,477.16

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Solution

The fourth proportional to 11,513.37, 15,887.25 and 6,477.16 is: 8,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.37 : 15,887.25 = 6,477.16 : x
  2. Step 2: Convert to fraction form
    11,513.37/15,887.25 = 6,477.16/x
  3. Step 3: Cross multiply
    11,513.37x = 15,887.25 × 6,477.16
  4. Step 4: Simplify right side
    11,513.37x = 102,904,280.07
  5. Step 5: Solve for x
    x = 102,904,280.07/11,513.37
  6. Step 6: Final answer
    x = 8,937.81

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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.