Home / 9,430.05-13,013.68-5,451.33

Finding the Fourth Proportional to 9,430.05, 13,013.68 and 5,451.33

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Solution

The fourth proportional to 9,430.05, 13,013.68 and 5,451.33 is: 7,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.05 : 13,013.68 = 5,451.33 : x
  2. Step 2: Convert to fraction form
    9,430.05/13,013.68 = 5,451.33/x
  3. Step 3: Cross multiply
    9,430.05x = 13,013.68 × 5,451.33
  4. Step 4: Simplify right side
    9,430.05x = 70,941,910.36
  5. Step 5: Solve for x
    x = 70,941,910.36/9,430.05
  6. Step 6: Final answer
    x = 7,522.96

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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.