Home / 11,673.36-16,108.68-6,637.50

Finding the Fourth Proportional to 11,673.36, 16,108.68 and 6,637.50

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Solution

The fourth proportional to 11,673.36, 16,108.68 and 6,637.50 is: 9,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.36 : 16,108.68 = 6,637.50 : x
  2. Step 2: Convert to fraction form
    11,673.36/16,108.68 = 6,637.50/x
  3. Step 3: Cross multiply
    11,673.36x = 16,108.68 × 6,637.50
  4. Step 4: Simplify right side
    11,673.36x = 106,921,363.50
  5. Step 5: Solve for x
    x = 106,921,363.50/11,673.36
  6. Step 6: Final answer
    x = 9,159.43

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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.