Home / 14,397.28-19,867.48-8,109.26

Finding the Fourth Proportional to 14,397.28, 19,867.48 and 8,109.26

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Solution

The fourth proportional to 14,397.28, 19,867.48 and 8,109.26 is: 11,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.28 : 19,867.48 = 8,109.26 : x
  2. Step 2: Convert to fraction form
    14,397.28/19,867.48 = 8,109.26/x
  3. Step 3: Cross multiply
    14,397.28x = 19,867.48 × 8,109.26
  4. Step 4: Simplify right side
    14,397.28x = 161,110,560.86
  5. Step 5: Solve for x
    x = 161,110,560.86/14,397.28
  6. Step 6: Final answer
    x = 11,190.35

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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.