Home / 10,259.53-15,389.40-3,239.41

Finding the Fourth Proportional to 10,259.53, 15,389.40 and 3,239.41

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Solution

The fourth proportional to 10,259.53, 15,389.40 and 3,239.41 is: 4,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.53 : 15,389.40 = 3,239.41 : x
  2. Step 2: Convert to fraction form
    10,259.53/15,389.40 = 3,239.41/x
  3. Step 3: Cross multiply
    10,259.53x = 15,389.40 × 3,239.41
  4. Step 4: Simplify right side
    10,259.53x = 49,852,576.25
  5. Step 5: Solve for x
    x = 49,852,576.25/10,259.53
  6. Step 6: Final answer
    x = 4,859.15

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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.