Home / 9,187.29-12,736.37-8,688.33

Finding the Fourth Proportional to 9,187.29, 12,736.37 and 8,688.33

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Solution

The fourth proportional to 9,187.29, 12,736.37 and 8,688.33 is: 12,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.29 : 12,736.37 = 8,688.33 : x
  2. Step 2: Convert to fraction form
    9,187.29/12,736.37 = 8,688.33/x
  3. Step 3: Cross multiply
    9,187.29x = 12,736.37 × 8,688.33
  4. Step 4: Simplify right side
    9,187.29x = 110,657,807.28
  5. Step 5: Solve for x
    x = 110,657,807.28/9,187.29
  6. Step 6: Final answer
    x = 12,044.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.