Home / 10,210.14-15,315.18-3,284.64

Finding the Fourth Proportional to 10,210.14, 15,315.18 and 3,284.64

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Solution

The fourth proportional to 10,210.14, 15,315.18 and 3,284.64 is: 4,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.14 : 15,315.18 = 3,284.64 : x
  2. Step 2: Convert to fraction form
    10,210.14/15,315.18 = 3,284.64/x
  3. Step 3: Cross multiply
    10,210.14x = 15,315.18 × 3,284.64
  4. Step 4: Simplify right side
    10,210.14x = 50,304,852.84
  5. Step 5: Solve for x
    x = 50,304,852.84/10,210.14
  6. Step 6: Final answer
    x = 4,926.95

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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.