Home / 9,186.58-13,776.63-4,255.30

Finding the Fourth Proportional to 9,186.58, 13,776.63 and 4,255.30

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Solution

The fourth proportional to 9,186.58, 13,776.63 and 4,255.30 is: 6,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.58 : 13,776.63 = 4,255.30 : x
  2. Step 2: Convert to fraction form
    9,186.58/13,776.63 = 4,255.30/x
  3. Step 3: Cross multiply
    9,186.58x = 13,776.63 × 4,255.30
  4. Step 4: Simplify right side
    9,186.58x = 58,623,693.64
  5. Step 5: Solve for x
    x = 58,623,693.64/9,186.58
  6. Step 6: Final answer
    x = 6,381.45

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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.