Home / 14,377.43-19,840.10-8,090.21

Finding the Fourth Proportional to 14,377.43, 19,840.10 and 8,090.21

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Solution

The fourth proportional to 14,377.43, 19,840.10 and 8,090.21 is: 11,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.43 : 19,840.10 = 8,090.21 : x
  2. Step 2: Convert to fraction form
    14,377.43/19,840.10 = 8,090.21/x
  3. Step 3: Cross multiply
    14,377.43x = 19,840.10 × 8,090.21
  4. Step 4: Simplify right side
    14,377.43x = 160,510,435.77
  5. Step 5: Solve for x
    x = 160,510,435.77/14,377.43
  6. Step 6: Final answer
    x = 11,164.06

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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.