Home / 10,855.56-16,283.33-7,130.87

Finding the Fourth Proportional to 10,855.56, 16,283.33 and 7,130.87

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Solution

The fourth proportional to 10,855.56, 16,283.33 and 7,130.87 is: 10,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.56 : 16,283.33 = 7,130.87 : x
  2. Step 2: Convert to fraction form
    10,855.56/16,283.33 = 7,130.87/x
  3. Step 3: Cross multiply
    10,855.56x = 16,283.33 × 7,130.87
  4. Step 4: Simplify right side
    10,855.56x = 116,114,309.40
  5. Step 5: Solve for x
    x = 116,114,309.40/10,855.56
  6. Step 6: Final answer
    x = 10,696.30

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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.