Home / 14,315.56-19,764.66-11,669.32

Finding the Fourth Proportional to 14,315.56, 19,764.66 and 11,669.32

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Solution

The fourth proportional to 14,315.56, 19,764.66 and 11,669.32 is: 16,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.56 : 19,764.66 = 11,669.32 : x
  2. Step 2: Convert to fraction form
    14,315.56/19,764.66 = 11,669.32/x
  3. Step 3: Cross multiply
    14,315.56x = 19,764.66 × 11,669.32
  4. Step 4: Simplify right side
    14,315.56x = 230,640,142.23
  5. Step 5: Solve for x
    x = 230,640,142.23/14,315.56
  6. Step 6: Final answer
    x = 16,111.15

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1.5x scale

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.