Home / 9,430.16-13,013.62-5,181.49

Finding the Fourth Proportional to 9,430.16, 13,013.62 and 5,181.49

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Solution

The fourth proportional to 9,430.16, 13,013.62 and 5,181.49 is: 7,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.16 : 13,013.62 = 5,181.49 : x
  2. Step 2: Convert to fraction form
    9,430.16/13,013.62 = 5,181.49/x
  3. Step 3: Cross multiply
    9,430.16x = 13,013.62 × 5,181.49
  4. Step 4: Simplify right side
    9,430.16x = 67,429,954.85
  5. Step 5: Solve for x
    x = 67,429,954.85/9,430.16
  6. Step 6: Final answer
    x = 7,150.46

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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.