Home / 10,426-15,639.96-3,500.56

Finding the Fourth Proportional to 10,426, 15,639.96 and 3,500.56

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Solution

The fourth proportional to 10,426, 15,639.96 and 3,500.56 is: 5,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426 : 15,639.96 = 3,500.56 : x
  2. Step 2: Convert to fraction form
    10,426/15,639.96 = 3,500.56/x
  3. Step 3: Cross multiply
    10,426x = 15,639.96 × 3,500.56
  4. Step 4: Simplify right side
    10,426x = 54,748,618.38
  5. Step 5: Solve for x
    x = 54,748,618.38/10,426
  6. Step 6: Final answer
    x = 5,251.16

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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.