Home / 10,302.78-14,215.46-6,951.81

Finding the Fourth Proportional to 10,302.78, 14,215.46 and 6,951.81

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Solution

The fourth proportional to 10,302.78, 14,215.46 and 6,951.81 is: 9,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.78 : 14,215.46 = 6,951.81 : x
  2. Step 2: Convert to fraction form
    10,302.78/14,215.46 = 6,951.81/x
  3. Step 3: Cross multiply
    10,302.78x = 14,215.46 × 6,951.81
  4. Step 4: Simplify right side
    10,302.78x = 98,823,142.22
  5. Step 5: Solve for x
    x = 98,823,142.22/10,302.78
  6. Step 6: Final answer
    x = 9,591.89

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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.