Home / 14,116.70-21,165.06-7,091.66

Finding the Fourth Proportional to 14,116.70, 21,165.06 and 7,091.66

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Solution

The fourth proportional to 14,116.70, 21,165.06 and 7,091.66 is: 10,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.70 : 21,165.06 = 7,091.66 : x
  2. Step 2: Convert to fraction form
    14,116.70/21,165.06 = 7,091.66/x
  3. Step 3: Cross multiply
    14,116.70x = 21,165.06 × 7,091.66
  4. Step 4: Simplify right side
    14,116.70x = 150,095,409.40
  5. Step 5: Solve for x
    x = 150,095,409.40/14,116.70
  6. Step 6: Final answer
    x = 10,632.47

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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.