Home / 10,123.83-13,965.77-6,771.11

Finding the Fourth Proportional to 10,123.83, 13,965.77 and 6,771.11

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Solution

The fourth proportional to 10,123.83, 13,965.77 and 6,771.11 is: 9,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.83 : 13,965.77 = 6,771.11 : x
  2. Step 2: Convert to fraction form
    10,123.83/13,965.77 = 6,771.11/x
  3. Step 3: Cross multiply
    10,123.83x = 13,965.77 × 6,771.11
  4. Step 4: Simplify right side
    10,123.83x = 94,563,661.22
  5. Step 5: Solve for x
    x = 94,563,661.22/10,123.83
  6. Step 6: Final answer
    x = 9,340.70

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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.