Home / 14,905.68-20,569.68-8,617.92

Finding the Fourth Proportional to 14,905.68, 20,569.68 and 8,617.92

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Solution

The fourth proportional to 14,905.68, 20,569.68 and 8,617.92 is: 11,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.68 : 20,569.68 = 8,617.92 : x
  2. Step 2: Convert to fraction form
    14,905.68/20,569.68 = 8,617.92/x
  3. Step 3: Cross multiply
    14,905.68x = 20,569.68 × 8,617.92
  4. Step 4: Simplify right side
    14,905.68x = 177,267,856.67
  5. Step 5: Solve for x
    x = 177,267,856.67/14,905.68
  6. Step 6: Final answer
    x = 11,892.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.