Home / 10,056.49-15,072.89-3,479.09

Finding the Fourth Proportional to 10,056.49, 15,072.89 and 3,479.09

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Solution

The fourth proportional to 10,056.49, 15,072.89 and 3,479.09 is: 5,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.49 : 15,072.89 = 3,479.09 : x
  2. Step 2: Convert to fraction form
    10,056.49/15,072.89 = 3,479.09/x
  3. Step 3: Cross multiply
    10,056.49x = 15,072.89 × 3,479.09
  4. Step 4: Simplify right side
    10,056.49x = 52,439,848.11
  5. Step 5: Solve for x
    x = 52,439,848.11/10,056.49
  6. Step 6: Final answer
    x = 5,214.53

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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.