Home / 10,291.77-15,458.76-6,786.81

Finding the Fourth Proportional to 10,291.77, 15,458.76 and 6,786.81

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Solution

The fourth proportional to 10,291.77, 15,458.76 and 6,786.81 is: 10,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.77 : 15,458.76 = 6,786.81 : x
  2. Step 2: Convert to fraction form
    10,291.77/15,458.76 = 6,786.81/x
  3. Step 3: Cross multiply
    10,291.77x = 15,458.76 × 6,786.81
  4. Step 4: Simplify right side
    10,291.77x = 104,915,666.96
  5. Step 5: Solve for x
    x = 104,915,666.96/10,291.77
  6. Step 6: Final answer
    x = 10,194.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.