Home / 13,980.14-19,292.92-7,607.10

Finding the Fourth Proportional to 13,980.14, 19,292.92 and 7,607.10

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Solution

The fourth proportional to 13,980.14, 19,292.92 and 7,607.10 is: 10,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.14 : 19,292.92 = 7,607.10 : x
  2. Step 2: Convert to fraction form
    13,980.14/19,292.92 = 7,607.10/x
  3. Step 3: Cross multiply
    13,980.14x = 19,292.92 × 7,607.10
  4. Step 4: Simplify right side
    13,980.14x = 146,763,171.73
  5. Step 5: Solve for x
    x = 146,763,171.73/13,980.14
  6. Step 6: Final answer
    x = 10,497.98

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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.