Home / 10,256.65-15,384.98-3,331.15

Finding the Fourth Proportional to 10,256.65, 15,384.98 and 3,331.15

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Solution

The fourth proportional to 10,256.65, 15,384.98 and 3,331.15 is: 4,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.65 : 15,384.98 = 3,331.15 : x
  2. Step 2: Convert to fraction form
    10,256.65/15,384.98 = 3,331.15/x
  3. Step 3: Cross multiply
    10,256.65x = 15,384.98 × 3,331.15
  4. Step 4: Simplify right side
    10,256.65x = 51,249,676.13
  5. Step 5: Solve for x
    x = 51,249,676.13/10,256.65
  6. Step 6: Final answer
    x = 4,996.73

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Similar ratio
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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.