Home / 19,749.20-29,619.69-7,265.99

Finding the Fourth Proportional to 19,749.20, 29,619.69 and 7,265.99

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Solution

The fourth proportional to 19,749.20, 29,619.69 and 7,265.99 is: 10,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.20 : 29,619.69 = 7,265.99 : x
  2. Step 2: Convert to fraction form
    19,749.20/29,619.69 = 7,265.99/x
  3. Step 3: Cross multiply
    19,749.20x = 29,619.69 × 7,265.99
  4. Step 4: Simplify right side
    19,749.20x = 215,216,223.24
  5. Step 5: Solve for x
    x = 215,216,223.24/19,749.20
  6. Step 6: Final answer
    x = 10,897.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.