Home / 20,335.56-30,492.15-6,291.68

Finding the Fourth Proportional to 20,335.56, 30,492.15 and 6,291.68

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Solution

The fourth proportional to 20,335.56, 30,492.15 and 6,291.68 is: 9,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.56 : 30,492.15 = 6,291.68 : x
  2. Step 2: Convert to fraction form
    20,335.56/30,492.15 = 6,291.68/x
  3. Step 3: Cross multiply
    20,335.56x = 30,492.15 × 6,291.68
  4. Step 4: Simplify right side
    20,335.56x = 191,846,674.26
  5. Step 5: Solve for x
    x = 191,846,674.26/20,335.56
  6. Step 6: Final answer
    x = 9,434.05

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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.