Home / 11,688.20-17,520.96-4,666.18

Finding the Fourth Proportional to 11,688.20, 17,520.96 and 4,666.18

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Solution

The fourth proportional to 11,688.20, 17,520.96 and 4,666.18 is: 6,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.20 : 17,520.96 = 4,666.18 : x
  2. Step 2: Convert to fraction form
    11,688.20/17,520.96 = 4,666.18/x
  3. Step 3: Cross multiply
    11,688.20x = 17,520.96 × 4,666.18
  4. Step 4: Simplify right side
    11,688.20x = 81,755,953.13
  5. Step 5: Solve for x
    x = 81,755,953.13/11,688.20
  6. Step 6: Final answer
    x = 6,994.74

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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.