Home / 10,640.74-14,684.68-5,925.02

Finding the Fourth Proportional to 10,640.74, 14,684.68 and 5,925.02

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Solution

The fourth proportional to 10,640.74, 14,684.68 and 5,925.02 is: 8,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.74 : 14,684.68 = 5,925.02 : x
  2. Step 2: Convert to fraction form
    10,640.74/14,684.68 = 5,925.02/x
  3. Step 3: Cross multiply
    10,640.74x = 14,684.68 × 5,925.02
  4. Step 4: Simplify right side
    10,640.74x = 87,007,072.25
  5. Step 5: Solve for x
    x = 87,007,072.25/10,640.74
  6. Step 6: Final answer
    x = 8,176.79

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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.