Home / 9,186.93-12,678.26-4,995.18

Finding the Fourth Proportional to 9,186.93, 12,678.26 and 4,995.18

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Solution

The fourth proportional to 9,186.93, 12,678.26 and 4,995.18 is: 6,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.93 : 12,678.26 = 4,995.18 : x
  2. Step 2: Convert to fraction form
    9,186.93/12,678.26 = 4,995.18/x
  3. Step 3: Cross multiply
    9,186.93x = 12,678.26 × 4,995.18
  4. Step 4: Simplify right side
    9,186.93x = 63,330,165.81
  5. Step 5: Solve for x
    x = 63,330,165.81/9,186.93
  6. Step 6: Final answer
    x = 6,893.51

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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.