Home / 10,858.23-14,977.25-8,616.57

Finding the Fourth Proportional to 10,858.23, 14,977.25 and 8,616.57

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Solution

The fourth proportional to 10,858.23, 14,977.25 and 8,616.57 is: 11,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.23 : 14,977.25 = 8,616.57 : x
  2. Step 2: Convert to fraction form
    10,858.23/14,977.25 = 8,616.57/x
  3. Step 3: Cross multiply
    10,858.23x = 14,977.25 × 8,616.57
  4. Step 4: Simplify right side
    10,858.23x = 129,052,479.95
  5. Step 5: Solve for x
    x = 129,052,479.95/10,858.23
  6. Step 6: Final answer
    x = 11,885.22

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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.