Home / 14,810.20-20,438.01-8,095.81

Finding the Fourth Proportional to 14,810.20, 20,438.01 and 8,095.81

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Solution

The fourth proportional to 14,810.20, 20,438.01 and 8,095.81 is: 11,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.20 : 20,438.01 = 8,095.81 : x
  2. Step 2: Convert to fraction form
    14,810.20/20,438.01 = 8,095.81/x
  3. Step 3: Cross multiply
    14,810.20x = 20,438.01 × 8,095.81
  4. Step 4: Simplify right side
    14,810.20x = 165,462,245.74
  5. Step 5: Solve for x
    x = 165,462,245.74/14,810.20
  6. Step 6: Final answer
    x = 11,172.18

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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.