Home / 14,841.72-20,480.92-8,127.63

Finding the Fourth Proportional to 14,841.72, 20,480.92 and 8,127.63

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Solution

The fourth proportional to 14,841.72, 20,480.92 and 8,127.63 is: 11,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.72 : 20,480.92 = 8,127.63 : x
  2. Step 2: Convert to fraction form
    14,841.72/20,480.92 = 8,127.63/x
  3. Step 3: Cross multiply
    14,841.72x = 20,480.92 × 8,127.63
  4. Step 4: Simplify right side
    14,841.72x = 166,461,319.50
  5. Step 5: Solve for x
    x = 166,461,319.50/14,841.72
  6. Step 6: Final answer
    x = 11,215.77

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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.