Home / 14,378.28-19,842.06-8,090.66

Finding the Fourth Proportional to 14,378.28, 19,842.06 and 8,090.66

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Solution

The fourth proportional to 14,378.28, 19,842.06 and 8,090.66 is: 11,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.28 : 19,842.06 = 8,090.66 : x
  2. Step 2: Convert to fraction form
    14,378.28/19,842.06 = 8,090.66/x
  3. Step 3: Cross multiply
    14,378.28x = 19,842.06 × 8,090.66
  4. Step 4: Simplify right side
    14,378.28x = 160,535,261.95
  5. Step 5: Solve for x
    x = 160,535,261.95/14,378.28
  6. Step 6: Final answer
    x = 11,165.12

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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.