Home / 19,595.88-29,387.61-6,445.20

Finding the Fourth Proportional to 19,595.88, 29,387.61 and 6,445.20

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Solution

The fourth proportional to 19,595.88, 29,387.61 and 6,445.20 is: 9,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.88 : 29,387.61 = 6,445.20 : x
  2. Step 2: Convert to fraction form
    19,595.88/29,387.61 = 6,445.20/x
  3. Step 3: Cross multiply
    19,595.88x = 29,387.61 × 6,445.20
  4. Step 4: Simplify right side
    19,595.88x = 189,409,023.97
  5. Step 5: Solve for x
    x = 189,409,023.97/19,595.88
  6. Step 6: Final answer
    x = 9,665.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.