Home / 9,342.54-14,001.70-3,789.40

Finding the Fourth Proportional to 9,342.54, 14,001.70 and 3,789.40

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Solution

The fourth proportional to 9,342.54, 14,001.70 and 3,789.40 is: 5,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.54 : 14,001.70 = 3,789.40 : x
  2. Step 2: Convert to fraction form
    9,342.54/14,001.70 = 3,789.40/x
  3. Step 3: Cross multiply
    9,342.54x = 14,001.70 × 3,789.40
  4. Step 4: Simplify right side
    9,342.54x = 53,058,041.98
  5. Step 5: Solve for x
    x = 53,058,041.98/9,342.54
  6. Step 6: Final answer
    x = 5,679.19

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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.