Home / 11,929.08-16,461.08-6,550.68

Finding the Fourth Proportional to 11,929.08, 16,461.08 and 6,550.68

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Solution

The fourth proportional to 11,929.08, 16,461.08 and 6,550.68 is: 9,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.08 : 16,461.08 = 6,550.68 : x
  2. Step 2: Convert to fraction form
    11,929.08/16,461.08 = 6,550.68/x
  3. Step 3: Cross multiply
    11,929.08x = 16,461.08 × 6,550.68
  4. Step 4: Simplify right side
    11,929.08x = 107,831,267.53
  5. Step 5: Solve for x
    x = 107,831,267.53/11,929.08
  6. Step 6: Final answer
    x = 9,039.36

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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.