Home / 12,110.08-18,166.88-5,865

Finding the Fourth Proportional to 12,110.08, 18,166.88 and 5,865

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Solution

The fourth proportional to 12,110.08, 18,166.88 and 5,865 is: 8,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.08 : 18,166.88 = 5,865 : x
  2. Step 2: Convert to fraction form
    12,110.08/18,166.88 = 5,865/x
  3. Step 3: Cross multiply
    12,110.08x = 18,166.88 × 5,865
  4. Step 4: Simplify right side
    12,110.08x = 106,548,751.20
  5. Step 5: Solve for x
    x = 106,548,751.20/12,110.08
  6. Step 6: Final answer
    x = 8,798.35

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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.