Home / 14,804.40-20,429.73-8,090.06

Finding the Fourth Proportional to 14,804.40, 20,429.73 and 8,090.06

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Solution

The fourth proportional to 14,804.40, 20,429.73 and 8,090.06 is: 11,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.40 : 20,429.73 = 8,090.06 : x
  2. Step 2: Convert to fraction form
    14,804.40/20,429.73 = 8,090.06/x
  3. Step 3: Cross multiply
    14,804.40x = 20,429.73 × 8,090.06
  4. Step 4: Simplify right side
    14,804.40x = 165,277,639.34
  5. Step 5: Solve for x
    x = 165,277,639.34/14,804.40
  6. Step 6: Final answer
    x = 11,164.09

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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.