Home / 18,104.40-24,957.28-12,709.76

Finding the Fourth Proportional to 18,104.40, 24,957.28 and 12,709.76

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Solution

The fourth proportional to 18,104.40, 24,957.28 and 12,709.76 is: 17,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.40 : 24,957.28 = 12,709.76 : x
  2. Step 2: Convert to fraction form
    18,104.40/24,957.28 = 12,709.76/x
  3. Step 3: Cross multiply
    18,104.40x = 24,957.28 × 12,709.76
  4. Step 4: Simplify right side
    18,104.40x = 317,201,039.05
  5. Step 5: Solve for x
    x = 317,201,039.05/18,104.40
  6. Step 6: Final answer
    x = 17,520.66

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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.