Home / 10,665.18-14,718.24-6,685.92

Finding the Fourth Proportional to 10,665.18, 14,718.24 and 6,685.92

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Solution

The fourth proportional to 10,665.18, 14,718.24 and 6,685.92 is: 9,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.18 : 14,718.24 = 6,685.92 : x
  2. Step 2: Convert to fraction form
    10,665.18/14,718.24 = 6,685.92/x
  3. Step 3: Cross multiply
    10,665.18x = 14,718.24 × 6,685.92
  4. Step 4: Simplify right side
    10,665.18x = 98,404,975.18
  5. Step 5: Solve for x
    x = 98,404,975.18/10,665.18
  6. Step 6: Final answer
    x = 9,226.75

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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.