Home / 10,259.39-15,389.07-3,239.94

Finding the Fourth Proportional to 10,259.39, 15,389.07 and 3,239.94

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Solution

The fourth proportional to 10,259.39, 15,389.07 and 3,239.94 is: 4,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.39 : 15,389.07 = 3,239.94 : x
  2. Step 2: Convert to fraction form
    10,259.39/15,389.07 = 3,239.94/x
  3. Step 3: Cross multiply
    10,259.39x = 15,389.07 × 3,239.94
  4. Step 4: Simplify right side
    10,259.39x = 49,859,663.46
  5. Step 5: Solve for x
    x = 49,859,663.46/10,259.39
  6. Step 6: Final answer
    x = 4,859.91

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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.