Home / 9,187.23-12,678.32-4,995.48

Finding the Fourth Proportional to 9,187.23, 12,678.32 and 4,995.48

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Solution

The fourth proportional to 9,187.23, 12,678.32 and 4,995.48 is: 6,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.23 : 12,678.32 = 4,995.48 : x
  2. Step 2: Convert to fraction form
    9,187.23/12,678.32 = 4,995.48/x
  3. Step 3: Cross multiply
    9,187.23x = 12,678.32 × 4,995.48
  4. Step 4: Simplify right side
    9,187.23x = 63,334,269.02
  5. Step 5: Solve for x
    x = 63,334,269.02/9,187.23
  6. Step 6: Final answer
    x = 6,893.73

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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.