Home / 14,241.20-19,657.01-8,275.55

Finding the Fourth Proportional to 14,241.20, 19,657.01 and 8,275.55

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Solution

The fourth proportional to 14,241.20, 19,657.01 and 8,275.55 is: 11,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.20 : 19,657.01 = 8,275.55 : x
  2. Step 2: Convert to fraction form
    14,241.20/19,657.01 = 8,275.55/x
  3. Step 3: Cross multiply
    14,241.20x = 19,657.01 × 8,275.55
  4. Step 4: Simplify right side
    14,241.20x = 162,672,491.51
  5. Step 5: Solve for x
    x = 162,672,491.51/14,241.20
  6. Step 6: Final answer
    x = 11,422.67

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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.