Home / 9,364.68-12,923.58-5,173.32

Finding the Fourth Proportional to 9,364.68, 12,923.58 and 5,173.32

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Solution

The fourth proportional to 9,364.68, 12,923.58 and 5,173.32 is: 7,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.68 : 12,923.58 = 5,173.32 : x
  2. Step 2: Convert to fraction form
    9,364.68/12,923.58 = 5,173.32/x
  3. Step 3: Cross multiply
    9,364.68x = 12,923.58 × 5,173.32
  4. Step 4: Simplify right side
    9,364.68x = 66,857,814.89
  5. Step 5: Solve for x
    x = 66,857,814.89/9,364.68
  6. Step 6: Final answer
    x = 7,139.36

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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.