Home / 10,122.20-13,968.54-5,584.92

Finding the Fourth Proportional to 10,122.20, 13,968.54 and 5,584.92

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Solution

The fourth proportional to 10,122.20, 13,968.54 and 5,584.92 is: 7,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.20 : 13,968.54 = 5,584.92 : x
  2. Step 2: Convert to fraction form
    10,122.20/13,968.54 = 5,584.92/x
  3. Step 3: Cross multiply
    10,122.20x = 13,968.54 × 5,584.92
  4. Step 4: Simplify right side
    10,122.20x = 78,013,159.11
  5. Step 5: Solve for x
    x = 78,013,159.11/10,122.20
  6. Step 6: Final answer
    x = 7,707.14

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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.