Home / 19,752.24-29,628.34-7,911.38

Finding the Fourth Proportional to 19,752.24, 29,628.34 and 7,911.38

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Solution

The fourth proportional to 19,752.24, 29,628.34 and 7,911.38 is: 11,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.24 : 29,628.34 = 7,911.38 : x
  2. Step 2: Convert to fraction form
    19,752.24/29,628.34 = 7,911.38/x
  3. Step 3: Cross multiply
    19,752.24x = 29,628.34 × 7,911.38
  4. Step 4: Simplify right side
    19,752.24x = 234,401,056.51
  5. Step 5: Solve for x
    x = 234,401,056.51/19,752.24
  6. Step 6: Final answer
    x = 11,867.06

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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.