Home / 10,428.06-14,390.60-5,951.56

Finding the Fourth Proportional to 10,428.06, 14,390.60 and 5,951.56

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Solution

The fourth proportional to 10,428.06, 14,390.60 and 5,951.56 is: 8,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.06 : 14,390.60 = 5,951.56 : x
  2. Step 2: Convert to fraction form
    10,428.06/14,390.60 = 5,951.56/x
  3. Step 3: Cross multiply
    10,428.06x = 14,390.60 × 5,951.56
  4. Step 4: Simplify right side
    10,428.06x = 85,646,519.34
  5. Step 5: Solve for x
    x = 85,646,519.34/10,428.06
  6. Step 6: Final answer
    x = 8,213.08

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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.