Home / 14,077.40-21,116.09-11,441.72

Finding the Fourth Proportional to 14,077.40, 21,116.09 and 11,441.72

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Solution

The fourth proportional to 14,077.40, 21,116.09 and 11,441.72 is: 17,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.40 : 21,116.09 = 11,441.72 : x
  2. Step 2: Convert to fraction form
    14,077.40/21,116.09 = 11,441.72/x
  3. Step 3: Cross multiply
    14,077.40x = 21,116.09 × 11,441.72
  4. Step 4: Simplify right side
    14,077.40x = 241,604,389.27
  5. Step 5: Solve for x
    x = 241,604,389.27/14,077.40
  6. Step 6: Final answer
    x = 17,162.57

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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.