Home / 10,574.42-15,865.88-4,002.48

Finding the Fourth Proportional to 10,574.42, 15,865.88 and 4,002.48

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Solution

The fourth proportional to 10,574.42, 15,865.88 and 4,002.48 is: 6,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.42 : 15,865.88 = 4,002.48 : x
  2. Step 2: Convert to fraction form
    10,574.42/15,865.88 = 4,002.48/x
  3. Step 3: Cross multiply
    10,574.42x = 15,865.88 × 4,002.48
  4. Step 4: Simplify right side
    10,574.42x = 63,502,847.37
  5. Step 5: Solve for x
    x = 63,502,847.37/10,574.42
  6. Step 6: Final answer
    x = 6,005.33

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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.