Home / 10,330.76-15,496.12-2,539.64

Finding the Fourth Proportional to 10,330.76, 15,496.12 and 2,539.64

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Solution

The fourth proportional to 10,330.76, 15,496.12 and 2,539.64 is: 3,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.76 : 15,496.12 = 2,539.64 : x
  2. Step 2: Convert to fraction form
    10,330.76/15,496.12 = 2,539.64/x
  3. Step 3: Cross multiply
    10,330.76x = 15,496.12 × 2,539.64
  4. Step 4: Simplify right side
    10,330.76x = 39,354,566.20
  5. Step 5: Solve for x
    x = 39,354,566.20/10,330.76
  6. Step 6: Final answer
    x = 3,809.46

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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.