Home / 9,185.10-12,675.36-5,206.98

Finding the Fourth Proportional to 9,185.10, 12,675.36 and 5,206.98

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Solution

The fourth proportional to 9,185.10, 12,675.36 and 5,206.98 is: 7,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.10 : 12,675.36 = 5,206.98 : x
  2. Step 2: Convert to fraction form
    9,185.10/12,675.36 = 5,206.98/x
  3. Step 3: Cross multiply
    9,185.10x = 12,675.36 × 5,206.98
  4. Step 4: Simplify right side
    9,185.10x = 66,000,346.01
  5. Step 5: Solve for x
    x = 66,000,346.01/9,185.10
  6. Step 6: Final answer
    x = 7,185.59

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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.