Home / 13,800.29-19,043.07-7,749.14

Finding the Fourth Proportional to 13,800.29, 19,043.07 and 7,749.14

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Solution

The fourth proportional to 13,800.29, 19,043.07 and 7,749.14 is: 10,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.29 : 19,043.07 = 7,749.14 : x
  2. Step 2: Convert to fraction form
    13,800.29/19,043.07 = 7,749.14/x
  3. Step 3: Cross multiply
    13,800.29x = 19,043.07 × 7,749.14
  4. Step 4: Simplify right side
    13,800.29x = 147,567,320.24
  5. Step 5: Solve for x
    x = 147,567,320.24/13,800.29
  6. Step 6: Final answer
    x = 10,693.06

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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.