Home / 19,672.85-27,148.16-10,720.41

Finding the Fourth Proportional to 19,672.85, 27,148.16 and 10,720.41

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Solution

The fourth proportional to 19,672.85, 27,148.16 and 10,720.41 is: 14,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.85 : 27,148.16 = 10,720.41 : x
  2. Step 2: Convert to fraction form
    19,672.85/27,148.16 = 10,720.41/x
  3. Step 3: Cross multiply
    19,672.85x = 27,148.16 × 10,720.41
  4. Step 4: Simplify right side
    19,672.85x = 291,039,352.34
  5. Step 5: Solve for x
    x = 291,039,352.34/19,672.85
  6. Step 6: Final answer
    x = 14,793.96

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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.