Home / 14,955.36-20,638.15-8,581.69

Finding the Fourth Proportional to 14,955.36, 20,638.15 and 8,581.69

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Solution

The fourth proportional to 14,955.36, 20,638.15 and 8,581.69 is: 11,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.36 : 20,638.15 = 8,581.69 : x
  2. Step 2: Convert to fraction form
    14,955.36/20,638.15 = 8,581.69/x
  3. Step 3: Cross multiply
    14,955.36x = 20,638.15 × 8,581.69
  4. Step 4: Simplify right side
    14,955.36x = 177,110,205.47
  5. Step 5: Solve for x
    x = 177,110,205.47/14,955.36
  6. Step 6: Final answer
    x = 11,842.59

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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.