Home / 10,836.40-14,954.40-6,120.76

Finding the Fourth Proportional to 10,836.40, 14,954.40 and 6,120.76

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Solution

The fourth proportional to 10,836.40, 14,954.40 and 6,120.76 is: 8,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.40 : 14,954.40 = 6,120.76 : x
  2. Step 2: Convert to fraction form
    10,836.40/14,954.40 = 6,120.76/x
  3. Step 3: Cross multiply
    10,836.40x = 14,954.40 × 6,120.76
  4. Step 4: Simplify right side
    10,836.40x = 91,532,293.34
  5. Step 5: Solve for x
    x = 91,532,293.34/10,836.40
  6. Step 6: Final answer
    x = 8,446.74

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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.