Home / 10,346.24-15,515.88-3,419.12

Finding the Fourth Proportional to 10,346.24, 15,515.88 and 3,419.12

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Solution

The fourth proportional to 10,346.24, 15,515.88 and 3,419.12 is: 5,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.24 : 15,515.88 = 3,419.12 : x
  2. Step 2: Convert to fraction form
    10,346.24/15,515.88 = 3,419.12/x
  3. Step 3: Cross multiply
    10,346.24x = 15,515.88 × 3,419.12
  4. Step 4: Simplify right side
    10,346.24x = 53,050,655.63
  5. Step 5: Solve for x
    x = 53,050,655.63/10,346.24
  6. Step 6: Final answer
    x = 5,127.53

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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.