Home / 10,665.65-14,721.32-6,363.38

Finding the Fourth Proportional to 10,665.65, 14,721.32 and 6,363.38

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Solution

The fourth proportional to 10,665.65, 14,721.32 and 6,363.38 is: 8,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.65 : 14,721.32 = 6,363.38 : x
  2. Step 2: Convert to fraction form
    10,665.65/14,721.32 = 6,363.38/x
  3. Step 3: Cross multiply
    10,665.65x = 14,721.32 × 6,363.38
  4. Step 4: Simplify right side
    10,665.65x = 93,677,353.26
  5. Step 5: Solve for x
    x = 93,677,353.26/10,665.65
  6. Step 6: Final answer
    x = 8,783.09

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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.