Home / 14,428.22-19,909.68-8,054.36

Finding the Fourth Proportional to 14,428.22, 19,909.68 and 8,054.36

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Solution

The fourth proportional to 14,428.22, 19,909.68 and 8,054.36 is: 11,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.22 : 19,909.68 = 8,054.36 : x
  2. Step 2: Convert to fraction form
    14,428.22/19,909.68 = 8,054.36/x
  3. Step 3: Cross multiply
    14,428.22x = 19,909.68 × 8,054.36
  4. Step 4: Simplify right side
    14,428.22x = 160,359,730.20
  5. Step 5: Solve for x
    x = 160,359,730.20/14,428.22
  6. Step 6: Final answer
    x = 11,114.31

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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.