Home / 14,020.28-19,346.64-8,641.88

Finding the Fourth Proportional to 14,020.28, 19,346.64 and 8,641.88

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Solution

The fourth proportional to 14,020.28, 19,346.64 and 8,641.88 is: 11,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.28 : 19,346.64 = 8,641.88 : x
  2. Step 2: Convert to fraction form
    14,020.28/19,346.64 = 8,641.88/x
  3. Step 3: Cross multiply
    14,020.28x = 19,346.64 × 8,641.88
  4. Step 4: Simplify right side
    14,020.28x = 167,191,341.28
  5. Step 5: Solve for x
    x = 167,191,341.28/14,020.28
  6. Step 6: Final answer
    x = 11,924.96

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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.