Home / 8,431.93-11,636.85-6,303.77

Finding the Fourth Proportional to 8,431.93, 11,636.85 and 6,303.77

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Solution

The fourth proportional to 8,431.93, 11,636.85 and 6,303.77 is: 8,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.93 : 11,636.85 = 6,303.77 : x
  2. Step 2: Convert to fraction form
    8,431.93/11,636.85 = 6,303.77/x
  3. Step 3: Cross multiply
    8,431.93x = 11,636.85 × 6,303.77
  4. Step 4: Simplify right side
    8,431.93x = 73,356,055.02
  5. Step 5: Solve for x
    x = 73,356,055.02/8,431.93
  6. Step 6: Final answer
    x = 8,699.80

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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.