Home / 10,406.81-15,612.54-3,011.84

Finding the Fourth Proportional to 10,406.81, 15,612.54 and 3,011.84

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Solution

The fourth proportional to 10,406.81, 15,612.54 and 3,011.84 is: 4,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.81 : 15,612.54 = 3,011.84 : x
  2. Step 2: Convert to fraction form
    10,406.81/15,612.54 = 3,011.84/x
  3. Step 3: Cross multiply
    10,406.81x = 15,612.54 × 3,011.84
  4. Step 4: Simplify right side
    10,406.81x = 47,022,394.41
  5. Step 5: Solve for x
    x = 47,022,394.41/10,406.81
  6. Step 6: Final answer
    x = 4,518.42

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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.