Home / 11,835.95-16,334.12-6,530.45

Finding the Fourth Proportional to 11,835.95, 16,334.12 and 6,530.45

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Solution

The fourth proportional to 11,835.95, 16,334.12 and 6,530.45 is: 9,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.95 : 16,334.12 = 6,530.45 : x
  2. Step 2: Convert to fraction form
    11,835.95/16,334.12 = 6,530.45/x
  3. Step 3: Cross multiply
    11,835.95x = 16,334.12 × 6,530.45
  4. Step 4: Simplify right side
    11,835.95x = 106,669,088.61
  5. Step 5: Solve for x
    x = 106,669,088.61/11,835.95
  6. Step 6: Final answer
    x = 9,012.30

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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.