Home / 11,334.61-15,637.28-6,553.68

Finding the Fourth Proportional to 11,334.61, 15,637.28 and 6,553.68

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Solution

The fourth proportional to 11,334.61, 15,637.28 and 6,553.68 is: 9,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.61 : 15,637.28 = 6,553.68 : x
  2. Step 2: Convert to fraction form
    11,334.61/15,637.28 = 6,553.68/x
  3. Step 3: Cross multiply
    11,334.61x = 15,637.28 × 6,553.68
  4. Step 4: Simplify right side
    11,334.61x = 102,481,729.19
  5. Step 5: Solve for x
    x = 102,481,729.19/11,334.61
  6. Step 6: Final answer
    x = 9,041.49

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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.