Home / 14,680.56-20,236.80-11,531.28

Finding the Fourth Proportional to 14,680.56, 20,236.80 and 11,531.28

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Solution

The fourth proportional to 14,680.56, 20,236.80 and 11,531.28 is: 15,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.56 : 20,236.80 = 11,531.28 : x
  2. Step 2: Convert to fraction form
    14,680.56/20,236.80 = 11,531.28/x
  3. Step 3: Cross multiply
    14,680.56x = 20,236.80 × 11,531.28
  4. Step 4: Simplify right side
    14,680.56x = 233,356,207.10
  5. Step 5: Solve for x
    x = 233,356,207.10/14,680.56
  6. Step 6: Final answer
    x = 15,895.59

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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.