Home / 9,356.46-12,911.67-5,164.62

Finding the Fourth Proportional to 9,356.46, 12,911.67 and 5,164.62

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Solution

The fourth proportional to 9,356.46, 12,911.67 and 5,164.62 is: 7,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.46 : 12,911.67 = 5,164.62 : x
  2. Step 2: Convert to fraction form
    9,356.46/12,911.67 = 5,164.62/x
  3. Step 3: Cross multiply
    9,356.46x = 12,911.67 × 5,164.62
  4. Step 4: Simplify right side
    9,356.46x = 66,683,869.12
  5. Step 5: Solve for x
    x = 66,683,869.12/9,356.46
  6. Step 6: Final answer
    x = 7,127.04

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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.