Home / 10,639.70-14,680.67-5,923.07

Finding the Fourth Proportional to 10,639.70, 14,680.67 and 5,923.07

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Solution

The fourth proportional to 10,639.70, 14,680.67 and 5,923.07 is: 8,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.70 : 14,680.67 = 5,923.07 : x
  2. Step 2: Convert to fraction form
    10,639.70/14,680.67 = 5,923.07/x
  3. Step 3: Cross multiply
    10,639.70x = 14,680.67 × 5,923.07
  4. Step 4: Simplify right side
    10,639.70x = 86,954,533.04
  5. Step 5: Solve for x
    x = 86,954,533.04/10,639.70
  6. Step 6: Final answer
    x = 8,172.65

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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.