Home / 10,421.54-15,636.63-3,496.58

Finding the Fourth Proportional to 10,421.54, 15,636.63 and 3,496.58

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Solution

The fourth proportional to 10,421.54, 15,636.63 and 3,496.58 is: 5,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.54 : 15,636.63 = 3,496.58 : x
  2. Step 2: Convert to fraction form
    10,421.54/15,636.63 = 3,496.58/x
  3. Step 3: Cross multiply
    10,421.54x = 15,636.63 × 3,496.58
  4. Step 4: Simplify right side
    10,421.54x = 54,674,727.73
  5. Step 5: Solve for x
    x = 54,674,727.73/10,421.54
  6. Step 6: Final answer
    x = 5,246.32

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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.