Home / 10,709.28-16,137.05-8,804.16

Finding the Fourth Proportional to 10,709.28, 16,137.05 and 8,804.16

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Solution

The fourth proportional to 10,709.28, 16,137.05 and 8,804.16 is: 13,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.28 : 16,137.05 = 8,804.16 : x
  2. Step 2: Convert to fraction form
    10,709.28/16,137.05 = 8,804.16/x
  3. Step 3: Cross multiply
    10,709.28x = 16,137.05 × 8,804.16
  4. Step 4: Simplify right side
    10,709.28x = 142,073,126.11
  5. Step 5: Solve for x
    x = 142,073,126.11/10,709.28
  6. Step 6: Final answer
    x = 13,266.36

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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.