Home / 9,430.92-13,013.28-5,239.17

Finding the Fourth Proportional to 9,430.92, 13,013.28 and 5,239.17

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Solution

The fourth proportional to 9,430.92, 13,013.28 and 5,239.17 is: 7,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.92 : 13,013.28 = 5,239.17 : x
  2. Step 2: Convert to fraction form
    9,430.92/13,013.28 = 5,239.17/x
  3. Step 3: Cross multiply
    9,430.92x = 13,013.28 × 5,239.17
  4. Step 4: Simplify right side
    9,430.92x = 68,178,786.18
  5. Step 5: Solve for x
    x = 68,178,786.18/9,430.92
  6. Step 6: Final answer
    x = 7,229.28

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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.