Home / 10,318.79-14,251.64-6,955.80

Finding the Fourth Proportional to 10,318.79, 14,251.64 and 6,955.80

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Solution

The fourth proportional to 10,318.79, 14,251.64 and 6,955.80 is: 9,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.79 : 14,251.64 = 6,955.80 : x
  2. Step 2: Convert to fraction form
    10,318.79/14,251.64 = 6,955.80/x
  3. Step 3: Cross multiply
    10,318.79x = 14,251.64 × 6,955.80
  4. Step 4: Simplify right side
    10,318.79x = 99,131,522.73
  5. Step 5: Solve for x
    x = 99,131,522.73/10,318.79
  6. Step 6: Final answer
    x = 9,606.90

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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.