Home / 10,088.12-15,135.96-4,539.80

Finding the Fourth Proportional to 10,088.12, 15,135.96 and 4,539.80

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Solution

The fourth proportional to 10,088.12, 15,135.96 and 4,539.80 is: 6,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.12 : 15,135.96 = 4,539.80 : x
  2. Step 2: Convert to fraction form
    10,088.12/15,135.96 = 4,539.80/x
  3. Step 3: Cross multiply
    10,088.12x = 15,135.96 × 4,539.80
  4. Step 4: Simplify right side
    10,088.12x = 68,714,231.21
  5. Step 5: Solve for x
    x = 68,714,231.21/10,088.12
  6. Step 6: Final answer
    x = 6,811.40

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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.