Home / 10,103.94-15,138.90-3,526.74

Finding the Fourth Proportional to 10,103.94, 15,138.90 and 3,526.74

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Solution

The fourth proportional to 10,103.94, 15,138.90 and 3,526.74 is: 5,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.94 : 15,138.90 = 3,526.74 : x
  2. Step 2: Convert to fraction form
    10,103.94/15,138.90 = 3,526.74/x
  3. Step 3: Cross multiply
    10,103.94x = 15,138.90 × 3,526.74
  4. Step 4: Simplify right side
    10,103.94x = 53,390,964.19
  5. Step 5: Solve for x
    x = 53,390,964.19/10,103.94
  6. Step 6: Final answer
    x = 5,284.17

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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.