Home / 10,826.84-16,230.54-8,989.76

Finding the Fourth Proportional to 10,826.84, 16,230.54 and 8,989.76

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Solution

The fourth proportional to 10,826.84, 16,230.54 and 8,989.76 is: 13,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.84 : 16,230.54 = 8,989.76 : x
  2. Step 2: Convert to fraction form
    10,826.84/16,230.54 = 8,989.76/x
  3. Step 3: Cross multiply
    10,826.84x = 16,230.54 × 8,989.76
  4. Step 4: Simplify right side
    10,826.84x = 145,908,659.27
  5. Step 5: Solve for x
    x = 145,908,659.27/10,826.84
  6. Step 6: Final answer
    x = 13,476.57

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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.