Home / 14,501.45-20,010.80-8,127.11

Finding the Fourth Proportional to 14,501.45, 20,010.80 and 8,127.11

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Solution

The fourth proportional to 14,501.45, 20,010.80 and 8,127.11 is: 11,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.45 : 20,010.80 = 8,127.11 : x
  2. Step 2: Convert to fraction form
    14,501.45/20,010.80 = 8,127.11/x
  3. Step 3: Cross multiply
    14,501.45x = 20,010.80 × 8,127.11
  4. Step 4: Simplify right side
    14,501.45x = 162,629,832.10
  5. Step 5: Solve for x
    x = 162,629,832.10/14,501.45
  6. Step 6: Final answer
    x = 11,214.73

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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.