Home / 10,440.23-14,399.39-6,463.54

Finding the Fourth Proportional to 10,440.23, 14,399.39 and 6,463.54

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Solution

The fourth proportional to 10,440.23, 14,399.39 and 6,463.54 is: 8,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.23 : 14,399.39 = 6,463.54 : x
  2. Step 2: Convert to fraction form
    10,440.23/14,399.39 = 6,463.54/x
  3. Step 3: Cross multiply
    10,440.23x = 14,399.39 × 6,463.54
  4. Step 4: Simplify right side
    10,440.23x = 93,071,013.40
  5. Step 5: Solve for x
    x = 93,071,013.40/10,440.23
  6. Step 6: Final answer
    x = 8,914.65

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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.