Home / 13,905.57-19,189.71-7,532.18

Finding the Fourth Proportional to 13,905.57, 19,189.71 and 7,532.18

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Solution

The fourth proportional to 13,905.57, 19,189.71 and 7,532.18 is: 10,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.57 : 19,189.71 = 7,532.18 : x
  2. Step 2: Convert to fraction form
    13,905.57/19,189.71 = 7,532.18/x
  3. Step 3: Cross multiply
    13,905.57x = 19,189.71 × 7,532.18
  4. Step 4: Simplify right side
    13,905.57x = 144,540,349.87
  5. Step 5: Solve for x
    x = 144,540,349.87/13,905.57
  6. Step 6: Final answer
    x = 10,394.42

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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.