Home / 11,730.36-16,187.25-6,424.16

Finding the Fourth Proportional to 11,730.36, 16,187.25 and 6,424.16

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Solution

The fourth proportional to 11,730.36, 16,187.25 and 6,424.16 is: 8,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.36 : 16,187.25 = 6,424.16 : x
  2. Step 2: Convert to fraction form
    11,730.36/16,187.25 = 6,424.16/x
  3. Step 3: Cross multiply
    11,730.36x = 16,187.25 × 6,424.16
  4. Step 4: Simplify right side
    11,730.36x = 103,989,403.02
  5. Step 5: Solve for x
    x = 103,989,403.02/11,730.36
  6. Step 6: Final answer
    x = 8,864.98

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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.