Home / 10,329.89-14,262.12-7,935.60

Finding the Fourth Proportional to 10,329.89, 14,262.12 and 7,935.60

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Solution

The fourth proportional to 10,329.89, 14,262.12 and 7,935.60 is: 10,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.89 : 14,262.12 = 7,935.60 : x
  2. Step 2: Convert to fraction form
    10,329.89/14,262.12 = 7,935.60/x
  3. Step 3: Cross multiply
    10,329.89x = 14,262.12 × 7,935.60
  4. Step 4: Simplify right side
    10,329.89x = 113,178,439.79
  5. Step 5: Solve for x
    x = 113,178,439.79/10,329.89
  6. Step 6: Final answer
    x = 10,956.40

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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.