Home / 10,257.86-15,387.54-3,684.10

Finding the Fourth Proportional to 10,257.86, 15,387.54 and 3,684.10

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Solution

The fourth proportional to 10,257.86, 15,387.54 and 3,684.10 is: 5,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.86 : 15,387.54 = 3,684.10 : x
  2. Step 2: Convert to fraction form
    10,257.86/15,387.54 = 3,684.10/x
  3. Step 3: Cross multiply
    10,257.86x = 15,387.54 × 3,684.10
  4. Step 4: Simplify right side
    10,257.86x = 56,689,236.11
  5. Step 5: Solve for x
    x = 56,689,236.11/10,257.86
  6. Step 6: Final answer
    x = 5,526.42

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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.