Home / 14,761.89-20,371.26-8,047.50

Finding the Fourth Proportional to 14,761.89, 20,371.26 and 8,047.50

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Solution

The fourth proportional to 14,761.89, 20,371.26 and 8,047.50 is: 11,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.89 : 20,371.26 = 8,047.50 : x
  2. Step 2: Convert to fraction form
    14,761.89/20,371.26 = 8,047.50/x
  3. Step 3: Cross multiply
    14,761.89x = 20,371.26 × 8,047.50
  4. Step 4: Simplify right side
    14,761.89x = 163,937,714.85
  5. Step 5: Solve for x
    x = 163,937,714.85/14,761.89
  6. Step 6: Final answer
    x = 11,105.47

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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.