Home / 9,364.86-12,923.51-5,173.11

Finding the Fourth Proportional to 9,364.86, 12,923.51 and 5,173.11

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Solution

The fourth proportional to 9,364.86, 12,923.51 and 5,173.11 is: 7,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.86 : 12,923.51 = 5,173.11 : x
  2. Step 2: Convert to fraction form
    9,364.86/12,923.51 = 5,173.11/x
  3. Step 3: Cross multiply
    9,364.86x = 12,923.51 × 5,173.11
  4. Step 4: Simplify right side
    9,364.86x = 66,854,712.95
  5. Step 5: Solve for x
    x = 66,854,712.95/9,364.86
  6. Step 6: Final answer
    x = 7,138.89

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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.