Home / 10,387.71-15,581.48-2,596.50

Finding the Fourth Proportional to 10,387.71, 15,581.48 and 2,596.50

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Solution

The fourth proportional to 10,387.71, 15,581.48 and 2,596.50 is: 3,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.71 : 15,581.48 = 2,596.50 : x
  2. Step 2: Convert to fraction form
    10,387.71/15,581.48 = 2,596.50/x
  3. Step 3: Cross multiply
    10,387.71x = 15,581.48 × 2,596.50
  4. Step 4: Simplify right side
    10,387.71x = 40,457,299.84
  5. Step 5: Solve for x
    x = 40,457,299.84/10,387.71
  6. Step 6: Final answer
    x = 3,894.73

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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.