Home / 10,630.47-16,007.46-7,876.65

Finding the Fourth Proportional to 10,630.47, 16,007.46 and 7,876.65

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Solution

The fourth proportional to 10,630.47, 16,007.46 and 7,876.65 is: 11,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.47 : 16,007.46 = 7,876.65 : x
  2. Step 2: Convert to fraction form
    10,630.47/16,007.46 = 7,876.65/x
  3. Step 3: Cross multiply
    10,630.47x = 16,007.46 × 7,876.65
  4. Step 4: Simplify right side
    10,630.47x = 126,085,159.81
  5. Step 5: Solve for x
    x = 126,085,159.81/10,630.47
  6. Step 6: Final answer
    x = 11,860.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.