Home / 10,961.40-16,409.70-7,267.80

Finding the Fourth Proportional to 10,961.40, 16,409.70 and 7,267.80

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Solution

The fourth proportional to 10,961.40, 16,409.70 and 7,267.80 is: 10,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.40 : 16,409.70 = 7,267.80 : x
  2. Step 2: Convert to fraction form
    10,961.40/16,409.70 = 7,267.80/x
  3. Step 3: Cross multiply
    10,961.40x = 16,409.70 × 7,267.80
  4. Step 4: Simplify right side
    10,961.40x = 119,262,417.66
  5. Step 5: Solve for x
    x = 119,262,417.66/10,961.40
  6. Step 6: Final answer
    x = 10,880.22

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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.