Home / 9,390.39-14,089.51-4,122.69

Finding the Fourth Proportional to 9,390.39, 14,089.51 and 4,122.69

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Solution

The fourth proportional to 9,390.39, 14,089.51 and 4,122.69 is: 6,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.39 : 14,089.51 = 4,122.69 : x
  2. Step 2: Convert to fraction form
    9,390.39/14,089.51 = 4,122.69/x
  3. Step 3: Cross multiply
    9,390.39x = 14,089.51 × 4,122.69
  4. Step 4: Simplify right side
    9,390.39x = 58,086,681.98
  5. Step 5: Solve for x
    x = 58,086,681.98/9,390.39
  6. Step 6: Final answer
    x = 6,185.76

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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.