Home / 10,914.80-16,334.40-6,535.40

Finding the Fourth Proportional to 10,914.80, 16,334.40 and 6,535.40

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Solution

The fourth proportional to 10,914.80, 16,334.40 and 6,535.40 is: 9,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.80 : 16,334.40 = 6,535.40 : x
  2. Step 2: Convert to fraction form
    10,914.80/16,334.40 = 6,535.40/x
  3. Step 3: Cross multiply
    10,914.80x = 16,334.40 × 6,535.40
  4. Step 4: Simplify right side
    10,914.80x = 106,751,837.76
  5. Step 5: Solve for x
    x = 106,751,837.76/10,914.80
  6. Step 6: Final answer
    x = 9,780.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.