Home / 9,430.98-14,143.51-3,189.83

Finding the Fourth Proportional to 9,430.98, 14,143.51 and 3,189.83

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Solution

The fourth proportional to 9,430.98, 14,143.51 and 3,189.83 is: 4,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.98 : 14,143.51 = 3,189.83 : x
  2. Step 2: Convert to fraction form
    9,430.98/14,143.51 = 3,189.83/x
  3. Step 3: Cross multiply
    9,430.98x = 14,143.51 × 3,189.83
  4. Step 4: Simplify right side
    9,430.98x = 45,115,405.33
  5. Step 5: Solve for x
    x = 45,115,405.33/9,430.98
  6. Step 6: Final answer
    x = 4,783.74

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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.