Home / 13,031.79-19,532.64-5,628.79

Finding the Fourth Proportional to 13,031.79, 19,532.64 and 5,628.79

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Solution

The fourth proportional to 13,031.79, 19,532.64 and 5,628.79 is: 8,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.79 : 19,532.64 = 5,628.79 : x
  2. Step 2: Convert to fraction form
    13,031.79/19,532.64 = 5,628.79/x
  3. Step 3: Cross multiply
    13,031.79x = 19,532.64 × 5,628.79
  4. Step 4: Simplify right side
    13,031.79x = 109,945,174.23
  5. Step 5: Solve for x
    x = 109,945,174.23/13,031.79
  6. Step 6: Final answer
    x = 8,436.69

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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.