Home / 10,411.89-15,623.95-3,842.66

Finding the Fourth Proportional to 10,411.89, 15,623.95 and 3,842.66

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Solution

The fourth proportional to 10,411.89, 15,623.95 and 3,842.66 is: 5,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.89 : 15,623.95 = 3,842.66 : x
  2. Step 2: Convert to fraction form
    10,411.89/15,623.95 = 3,842.66/x
  3. Step 3: Cross multiply
    10,411.89x = 15,623.95 × 3,842.66
  4. Step 4: Simplify right side
    10,411.89x = 60,037,479.04
  5. Step 5: Solve for x
    x = 60,037,479.04/10,411.89
  6. Step 6: Final answer
    x = 5,766.24

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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.