Home / 19,592.88-29,392.96-6,445.76

Finding the Fourth Proportional to 19,592.88, 29,392.96 and 6,445.76

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Solution

The fourth proportional to 19,592.88, 29,392.96 and 6,445.76 is: 9,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.88 : 29,392.96 = 6,445.76 : x
  2. Step 2: Convert to fraction form
    19,592.88/29,392.96 = 6,445.76/x
  3. Step 3: Cross multiply
    19,592.88x = 29,392.96 × 6,445.76
  4. Step 4: Simplify right side
    19,592.88x = 189,459,965.85
  5. Step 5: Solve for x
    x = 189,459,965.85/19,592.88
  6. Step 6: Final answer
    x = 9,669.84

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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.